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Disk Space Fan Pro Giveaway

Giveaway of the day — Disk Space Fan Pro

Manage Disk space easily and blow away useless files with fun using Disk Space Fan Pro.
$19.95 EXPIRED
User rating: 129 (34%) 254 (66%) 86 comments

Disk Space Fan Pro was available as a giveaway on December 30, 2009!

Today Giveaway of the Day
free today
Turn your housing dreams into a reality on your PC!

Disk Space Fan Pro is not only a duplicate file finder, but also a powerful disk space analysis tool for Windows. It helps you to free up disk space by quickly finding and deleting big, useless files. It displays disk space usage with a flower chart. Filter is supported to match certain type of files. You can find the statistics of the video, audio files easily.


  • Scans directories, complete drives for duplicate files
  • Freely configurable comparison criteria (file name, size, date and content)
  • You can exclude files based on file type, size and folder
  • Presents a list of all identical files so you can decide which ones to remove
  • Deletes, moves or replaces duplicate files by shortcuts
  • Filter view to show disk space usage by file types
  • Filter view to show duplicate files by file types
  • Flower chart to display disk space usage
  • Start from explorer directly
  • Unicode filename supported

System Requirements:

Windows XP Service Pack 2, or above, Vista, Windows 7


Disk Space Fan Team



File Size:

2.61 MB



Comments on Disk Space Fan Pro

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WARNING: does not support networked drives!!

Reply   |   Comment by zaxy  –  7 years ago  –  Did you find this comment useful? yes | no (0)

Considering all of the problems with this, I have to give it a thumbs-down. The final comparison for any file duplicate detection has to be a full binary comparison, which this doesn't do. The per-drive file/folder databases--what were they thinking? Extreme risk of lack of synchronization with your real files. Massive waste of space--you can safely delete the databases and history entries. As I mentioned, the "Top List" is incorrect. Creating shortcuts? It should be using symbolic links (Vista or higher) or hard links, as appropriate.

#79, Steven C. Barr, et al, Windows Help and Support has detailed information on the differences between Vista and XP, and how to use the new features. I've used Vista for long enough that I don't even remember all of the new features, but what I like best are the massive improvements in Windows Explorer, integration of Windows Search, improvements to Windows Photo Gallery, live thumbnails, Flip 3D, better networking, better security and self-protection, scaling in many places in the UI, simple things like the pop-up clock(s) and calendar from the taskbar (apart from the auto pop-up tooltip window; there's also the Vista Sidebar), parental controls for those who need them, technical things like symbolic links, all sorts of stuff. All of you who are complaining about it are just showing your lack of willingness to even learn what it can do.

Reply   |   Comment by Fubar  –  7 years ago  –  Did you find this comment useful? yes | no (0)

Then about click twelve it downloaded. Now it's giving me an error message and won't run.

System's XP-SP3 P4 2GHz

Reply   |   Comment by Hobo  –  7 years ago  –  Did you find this comment useful? yes | no (0)

BTW in "features" I think that "flower chart" is supposed to be "flow chart!!!" First time I ever saw "flower chart" used to describe it!!!!

Reply   |   Comment by Spiritwolf  –  7 years ago  –  Did you find this comment useful? yes | no (-1)

Agreed with Julie@3 and SloppyGoat @63... what is it about the Bad Gateway?

502 Bad Gateway

is the message I keep getting

Reply   |   Comment by Hobo  –  7 years ago  –  Did you find this comment useful? yes | no (0)

URGENT!!! Help needed. Install on both PC & Acer Netbook. Managed to delete duplicate files. And restart both system. PC manage to restart & everything seem normal but not my Acer. Unable to boot up as before, only manage to go to the setup screen. Can guide me on how to make it boot up as normal. Thanks

Reply   |   Comment by Godfrey  –  7 years ago  –  Did you find this comment useful? yes | no (0)

I installed it on my XP machine and it works great. I provides a neat graphic of the hard drive, identifies duplicate files and has an "Autoselect" to automatically check one of each duplicate file to delete. Very useful program, just what I had been looking for. You can even check to delete both of the files if you don't want to keep them. It also gives the option of creating a shortcut for deleted files. Very cool. I am next about to try out the viewing options in the Scan Results window that has the graphic view of the drive.

Reply   |   Comment by Jim  –  7 years ago  –  Did you find this comment useful? yes | no (+2)

Re #13 and #23:
I got Vista free when I bought a new desktop a couple years ago; the ONLY reason I can figure out for its existence is that Bill Gates, now being the richest human on the planet, wanted revenge against everyone who laughed at him and/or called him a "geek" back in his younger days! Vista is totally NON-intuitive to users of ANY earlier versions of Windows...there is, in fact, NOTHING that it does better (or even as well?!) as its MS predecessors!

We customers of Bill's keep helping him get even RICHER by "upgrading" to a continuing stream of more bloated, complicated and generally LESS useful "improvements"...?!


Reply   |   Comment by Steven C. Barr  –  7 years ago  –  Did you find this comment useful? yes | no (0)

I'm running Windows XP Home SP3. It installed with no problems and the registration went fine too. It's showing as the Pro version. Maybe the people who are saying it's showing as the Trial Version have the app opened when registering it? I don't know if that could be the problem or not but it's a thought anyway. I always uncheck the box to launch after installing and then I activate then I launch it to check it out. Anyway, that's my 2 cents worth...LOL

Reply   |   Comment by LuvyDoveyBabe  –  7 years ago  –  Did you find this comment useful? yes | no (0)

I agree with #7 and 47. I keep getting the message: File can not be deleted when viewing history.
I'm not a Comp-Geek so I don't know what to do, I'm just frustrated right now.
I tried to delete just a few, but that didn't work either.
Need to find the answer soon or it'll be uninstalled.

Reply   |   Comment by DailyChaos  –  7 years ago  –  Did you find this comment useful? yes | no (0)

For those complaining about radial charts, they're the optimal way to view the Windows file structure. Viewed as a tree, the drive is the root, the folders lie along the branches, and the files are the leaves. The optimal display configuration is circular, with the drive root at the center, so the radial charts are the most efficient and compact. Files and folders in the outer rings are contained within the folders in the inner rings along the same radial segment. The display resolution limits the number of rings (nesting level) and the smallest files and folders which can be displayed, so you have the option to zoom in on folders. Arc angles (not arc lengths, except within a ring) indicate relative sizes.

Reply   |   Comment by Fubar  –  7 years ago  –  Did you find this comment useful? yes | no (+3)

I succeeded to install in Windows 7 64 bits following the tips here given, and it is running, however remains a 15 days trial version. How do I register it?

Reply   |   Comment by Antonio Saverio  –  7 years ago  –  Did you find this comment useful? yes | no (-1)

I agree with #7 and 47.
“File can not be deleted when viewing history".
I'm not a Comp-Geek, so I'm not joking when I say this is frustrating.
Has anyone figured out what to do?
I tried to delete just a few folders at a time, but still no luck.

Reply   |   Comment by DailyChaos  –  7 years ago  –  Did you find this comment useful? yes | no (0)

I agree with #7 and 47. Everything installed fine but keep getting the message ( file cannot be deleted whille viewing history).
I don't have anything open but the program I tried to delete just a few programs at a time, but still no luck.
Has anyone figured out what to do? I'm not a Comp-Geek so being frustrated is a good description for me right now.

Reply   |   Comment by DailyChaos  –  7 years ago  –  Did you find this comment useful? yes | no (0)

#60, Lantz, I don't want to get off topic from the program at hand, but I'll briefly address some of what you wrote. ARPANET had a long history, so your reference doesn't indicate to me when you were using it. All I'll say is that I was programming professionally and using LANs and WANs while ARPANET existed, but that also doesn't tell you much, considering how long ARPANET was around. There's simply no comparison between Vista and Windows 98. There's no such thing as a secure Windows 98 from any perspective, and decent security software won't install or run on Win98. Now, with careful practices, you might have avoided malware infection, but that's due to your actions and luck, not Windows 98. There are so many problems with Windows 98 that I'm not even going to get into it. Not to mention that it can't support my quad-core CPU or my internal or external devices. Your opinion on Vista is just that, your opinion. I've never claimed that any Microsoft OS was good, stable, secure, or well-designed, just the opposite, read my comments. Vista requires more resources than XP but has many more features and protects itself much better. Microsoft continues to do incredibly stupid things. Flags are set so that Windows knows whether it started successfully and shut down successfully. Windows should perform a CHKDSK on every drive if it detected it crashed (which it can), but it doesn't. Further, you can only schedule CHKDSK for one drive. So, after a crash, I boot into safe mode, which itself could cause some damage, but is a better option than a normal Windows start, then schedule a CHKDSK on the system volume. I'm less concerned about what individual users do than what software developers and businesses do. Some people like to restore classic cars from around the time that they were first built. Those are fun to look at, but I wouldn't want to drive one except on a special occasion and not on the highway. Similarly, I used to boot my Win98 computer about once a year. I think it's down to about once every two years now. It's like an old pocket calculator compared to Vista. As for resource consumption, my quad-core processor generally operates well below capacity, and I have sufficient RAM. Disk access is the bottleneck for me, and that's just because I run so many processes. Only one is a CPU (single-core utilization) and disk I/O hog, but it's just for convenience and I can shut it down if it's a problem. New software may work on older OSes, but it's a waste of resources for companies to develop for, test on, or support obsolete OSes. Software developers who support obsolete OSes just cause themselves and other software developers grief by giving people with obsolete OSes an excuse to continue to use their obsolete hardware and software. And at today's prices, I simply don't buy the argument that no one can afford to replace their computers occasionally. I'm not replacing my computer to run Windows 7; it has CPU to spare, I have sufficient drives lying around to use RAID (cramming them into the case will be a problem), and the only new hardware investment I made was more RAM, since a 64-bit OS can put that to good use. I neither know nor particularly care what you don't like about Vista and Windows 7. UAC and virtualization are useful, and the Norton UAC Tool solves the UAC prompt annoyances on Vista. You can use other methods, but security will be compromised more. DRM is an issue, but that has to do with the US government, and all new Microsoft OSes will be DRM-infested. If you had to buy a Ford, would you choose a Model T or a Fusion Hybrid? Similarly, in a Microsoft-dominated desktop PC world, I'll choose the newer, better Microsoft OS over an ancient, obsolete one. You can do what you like, but it doesn't change my firm opinion that developing new software for obsolete OSes is a waste of resources and economically harmful from multiple perspectives.

Reply   |   Comment by Fubar  –  7 years ago  –  Did you find this comment useful? yes | no (+3)

Not sure this type of program is worth the hassle/risk with 1 TB drives selling for around $80-100. Running out of disk space is becoming a non-issue.

Reply   |   Comment by Brian  –  7 years ago  –  Did you find this comment useful? yes | no (-3)

installed okay on vista 32, run both setup and activate as administrator
thanks GAOD

Reply   |   Comment by ted  –  7 years ago  –  Did you find this comment useful? yes | no (-1)

Freebie http://www.jam-software.com/treesize_free/

Reply   |   Comment by memyselfandi  –  7 years ago  –  Did you find this comment useful? yes | no (+3)

(1) "Disk Space Fan Pro":
Couldn't get it to install on Vista Home Prem. SP2 x64 (64-bit OS) w/all updates, etc.
Kept getting all of the same problems as everyone else. This appears to be a Beta, (or even Alpha?), based on how badly some of the glaringly obvious errors are, just in the part that I can get it up to, before the installation refuses to continue;
It appears to have been "rushed out the door" before it was ready for even Beta testing, given the length of the list of problems that the debugger shows, when it gets to where it refuses to continue its installation, and I've tried all of the suggestions, and I did check to make sure I have the ".NET" and other support sub-systems & libraries, etc. in the correct places.
This one appears to be an idea that was started with good intentions, but needs a lot more work, then more Alpha-testing, and a better Engineering Review, before it's "turned loose" & billed as a "commercially available" prg., which implies that it SHOULD work properly, and that 98% of problems are isolated to some issue or another, & NOT with so many problems & "work-arounds" just to get to the NEXT installation stoppage, or for those who managed to get it installed & then find that it's just not "making the grade" for various reasons...
...Since if s/w like this ever hit the shelves where I have to go to get PC s/w or h/w, it'd get taken back OFF of the shelf as soon as the shops started hearing all of the complaints.

(I'm in a very rural area, where we grow the food that most of the USA & many other countries eat, so we need to have vast areas of space for the crops, which means that towns are far apart, and making those 3-hour round-trips to someplace big enough to have Computer shops, etc., is an issue by itself, the cost of fuel notwithstanding).
(People out here are very responsive to local businesses, and want the local merchants, {who we all feel are our neighbors, since many ARE}, to know one way or another about any problems, or if there's something that the merchant should keep on their shelves as long as possible).

Combined with too many other, very stable, (and free), programs that do pretty much exactly the same thing, (and, if one knows how to use the Command Line box that's within Windows itself, you can get Windows to do the functions for you, without ANY extra software), this one is apparently a "bust", which is a pity, since I know that a lot of time & effort went into it so far.

As for the recurring complaint of "You can't delete files" that are in the open Files window, (which is a linked-to-the-iles-Explorer-routines function), that's going to happen with almost ANY version of Windows, as well as other OS's or platforms;
To "get around" that "non-problem", you need to make a list of the files, then close that window within the program that shows the files, and then open a standard File Explorer window, & you shouldn't have any problems deleting or changing files.
If you still have that problem after doing the above, then something is still "calling dibs" on the files, and you'll need to close out the program that's doing it, before you'll be able to modify or delete the files, (which is something that's been "built in" to every version of Windows that I can remember, going back to Win3.1x, + all the way back to the various "pre-PC" 8-bit OS's, and for a good reason that's too "techie" & long to go into here, but there IS a good reason for it).

(2) As for the people who want to stick with an OS they're comfortable with, the Developers SHOULD support it, FOREVER, since the Microsoft OS model's "planned obsolesence" (sp?) just makes owning a PC more expensive and confusing, every time a new OS "has" to be upgraded to, due to lack of support from MS (or whoever) for the previous one.

I'm still running Win-2000-Pro on one laptop, & Win98 on a desktop & Win95 on an old laptop for GPS Nav use, and IMHO, they should've never changed any of Win-2000 & should still support it, because, if you've seen the TV commercials in the USA, with "PC & Mac" talking to each other, you'd notice that when Apple starts having "PC" list older versions with problems, there are two which are notably absent from the list:
Windows 3.1x, and Windows 2000.
Why? Because they work & don't crash! "If something works, DON'T fix it!".

(3) While the "Speederuper" is unnecessary and doesn't actually DO anything as far as I can tell, (and that's after running benchmarks and other tests, as well as just timing program opening times, bootup time, shutdown time, and program functions & operation times), it MAY help some older systems with slow CPU's & limited memory, but I seriously doubt there's any need for it with today's multi-GHz CPUs & multi-Gb fast RAM in modern machines, and the improvements in Windows itself that have been made, (albeit far later than they should've been).
That one gets a "Try it for yourself & see if it helps your particular situation" recommendation from me, IMHO, simply because there are usually SOME systems that could benefit from something like that, but I personally prefer "ProLasso", in either the Free or Pro (paid) versions.

As for the two offerings of today, (which was nice of GAOTD to do, as well as teh Developer of the prg from Yesterday), since I use the Command Line for doing what "Disk Space Fan Pro" does with ease, I personally have no use for it, and really do feel that, after reading all of the problems that have been had with it, it needs to go "back to the factory for reworking";
While for the "Speederuper", I've found that "ProLasso", which is available free from MajorGeeks.com, (and other file download sites), works extremely well, and can be used by the "newbie novice" right "Out of the box" (or installed from the download), yet a "Power User" has all the "tweaks" they could possibly want and more, to customize it to their particular needs.
(There's a "paid version" as well, but I don't need that much "micro-managing" of my system's apps & services, so the "freebie" version is what I use, and it's only slightly "tweaked" from its "right from the download & installed" configuration).

I still haven't figured out WHY there are SO many prgs from GAOTD that I have so much trouble installing, even though after I DO manage to get something installed OK, I find that some are programs that I'd be happy to buy, but most would need SOME amount of "cleaning up" first, and made more "professsional" in both appearance and simplicity of operation, as well as having a complete Help file that didn't require an Internet connection,
...since it can cost a lot if you're going "on the road" to see relatives, or in an RV or Motorhome, and you don't have the free access to the WiFi Hotspots along your route like I do, (courtesy of my DSL provider, and the Federal & States Highway Dept.'s that have put those WiFi hotspots in those rest areas, as well as all of the Truck Stops that have them, although they normally cost some amount to get access to, although at least one of the states that I travel through offers two hours of connect time for free, IF you know to go in & ask someone at the "Information Desk" about it, assuming you're there during the day); Otherwise, a "traveling 'Net connection" would require using a cell-phone & its service-provider's connection to get to the 'Net, some of which are free, but others can be quite expensive;

Here's one "Hint They Don't Tell You" to getting some free WiFi Hotspot time while "on the road", plus other potential benefits:
When on the Interstates in the US, stop at the major Truckstop franchises along your route, and request a "Frequent Fueler Card", (or whatever they call their particular card);
(The last time I took my 8-ton gas-powered motorhome across the country to see relatives, the cards were all free, and they never pestered me with anything; I've never had my info sold or given out by any Truckstop "chain", so it's well worth the very few minutes it takes, since you'll want to stretch your legs anyway);
(If your vehicle uses diesel fuel, you'll get a couple to a few cents per gallon rebated on the spot, every time you fuel up at that Truckstop "chain," plus they often offer you some discounts in the Truckstop's Travel Store & Restaurant, and often a limited amount of WiFi time, even if you never buy any diesel & drive a gasoline-powered or hybrid sub-compact car);
(Just having the "Frequent Fueler" card can get you some basic things that would otherwise cost much more than they're worth, if you have to pay for them, and you're NOT doing anything "underhanded" or like that; The WiFi system is there whether they give you 30 minutes free, or charge you $10/day (or more!) for an access code to get into the system. Just FYI).

As for one good example of "cleaned up & made professional" programs, is the "ProLasso" prg I mentioned above, where you can "install it & forget it" with no ill effects (and usually some benefits), or customize it to death for special-purpose machines or specific prgs, while leaving other prgs completely alone, etc., (and no, I don't have any ties with the developers of that program).

Due to the extensive lists of problems with the "Disk Space Fan Pro", as well as so many installations not wanting to install, (I also tried it on a 2.5GHz 4Gb Win-XP-SP3 machine), I've got to give that one a "two thumbs & ten fingers down", as "cleaning up the mess" it left behind on my particular machine is taking me half a day.

Thanks anyway, GAOTD, and your efforts are not unrecognized! Maybe next time!

Reply   |   Comment by pj  –  7 years ago  –  Did you find this comment useful? yes | no (-4)

I installed (Win XP SP3) but it asks me my e-mail and serial number, I ran activate several time but it's the same. I can't get it, isn't it a free copy? How can I find its serial number?

Reply   |   Comment by hawkeye.72  –  7 years ago  –  Did you find this comment useful? yes | no (-2)

I use VisualDirSize, a plugin of TotalCommander, which is a powerful file explorer, love it!

Reply   |   Comment by musics  –  7 years ago  –  Did you find this comment useful? yes | no (-1)

I also get the error. Win Vista 64.

I challenge you to try to buy a new laptop computer without Vista or Windows 7, both of which have this problem with this program. And, on most new laptops, you can't install XP on them after purchase due to proprietary internal hardware for which the laptop manufacturer will not provide drivers.

The issue at hand is software developers. Vista has been on the market nearly 3 years now, and the 64 bit version is what sold with most new computers over the last couple of years. There is no excuse for a developer not making a compatible version of their software, particularly since Microsoft is no longer providing XP. Soon, they will stop supporting it, just as they did Win 95 and Win 98 when XP came out.

Reply   |   Comment by William  –  7 years ago  –  Did you find this comment useful? yes | no (+3)

I too am getting bad gateway errors all the time on GOTD now days. I'm using IE8 on Win7 and also XP on my laptop. Both do the same thing.

Reply   |   Comment by SloppyGoat  –  7 years ago  –  Did you find this comment useful? yes | no (0)

I use TreeSize Pro or Explorer XP to examine my drives and space used. I don't like programs that delete duplicates, because more often than not there is a reason they're there. Next time you open an application, you may find that something is missing that you didn't even know you needed. Not a very good practice, if you ask me. The program has no way of knowing whether or not those files are used, does it? And there really is no fool proof way to know. If you're hurting so badly that 100MB will make or break you, then buy a new drive, for crying out loud!

Reply   |   Comment by SloppyGoat  –  7 years ago  –  Did you find this comment useful? yes | no (0)

Hi All. I found no problems installing or running on XP pro SP3 Modified. The Modifications to XP I did myself. It's a nice little program,but not one I need so I am deleting it. But I am sure it can come in Handy for anyone.
On another Note; @Fubar. I do appreciate your comments on programs and the help you give other users having problems. I find it rather interesting that you are so defensive about Vista and Win 7. Vista is a joke, I had it, studied it, and found it as bad as windows Millenia. As for Win7, It will be a good OS, but right now it's buggy and needs at least one Service pack. There has never been a good MS operating system on initial release. Xp has it's issues, Yet I also have Win 98 partitioned and use it often. Now, I have made some modifications to secure 98, yet it is screaming fast! Though there are a few websites it won't acess well, they are very few. I also found that approx. 25% of the new programs can't be run on 98. But it is amazing how many new programs do run on that PAST OS. Win 7 is buggy and Vista is horrible. IF you think I am just another basic computer user, I was online in the days of ARPANET. You shouldn't slam people who prefer an older OS or especially those who are smart enough to realize that there is no such thing as a Stable, NEW OS from Microsoft. Virtually every OS is garbage when first released and if you don't know that, I have to wonder just how young you are or how stuck in your ways you are. I'll stick with XP and 98 and reload Win7 after they finally have most of the bugs out.
As for me..... I hack every OS i use and add my own coding to it to make it better, which is probably why there is very little I cannot access on Win98. my computer is dessigned for Vista but it's runnning XP and 98 without a problem. And my win 98 never gets attacked, viruses, etc. I guess all I am saying is, please be nicer to those who don't want Win7 yet, or prefer any but the newest OS. I would lay a bet that many people on here who did not upgrade to Vista or Win 7 cannot afford the rediculous prices microsoft greedily wants. Also the ones who cannot afford it, may not have or be able to afford a new computer to run it on. I'm disabled after climbing through the wreckage of the World Trade Center trying to find survivors and bodies. Though I would not buy Win 7 untill it's less buggy anyway, I don't even know if I will be able to afford it at that time. Be kind to those who run older OS's because you have no clue why that particular person is running an older OS, IT may have nothing to do with them clinging to the past. (and yes, I know that those people are out there also.)
Thanks for Listening!

Reply   |   Comment by Lantz  –  7 years ago  –  Did you find this comment useful? yes | no (+13)

Does not work with Windows 7 Pro 64-bit. I get the same .NET error others are receiving. I even installed what #5 suggested and still received the same error.

Reply   |   Comment by MSC  –  7 years ago  –  Did you find this comment useful? yes | no (-1)

Seems pretty good, but how do you delete the duplicates?

Reply   |   Comment by susieinnm1  –  7 years ago  –  Did you find this comment useful? yes | no (-1)

I am running Vista x64 and it installed fine, but it doesn't start. Any help?

Reply   |   Comment by Mark  –  7 years ago  –  Did you find this comment useful? yes | no (-2)

My take,
Computer used: Windows XP service pack 2.
Disk Space Fan Pro installed and ran smoothly on test computer (Tested in Sandboxie, BTW). A quick testing of Disk Space Fan Pro proved to be a pleasant surprise. Unlike some recent giveaways, I did not find any browser hijack surprises. It came up clean on VirusTotal as well. I like the capability to scan for disk hogs or duplicate files with one app. The hash scan takes a bit longer to scan with but should prove to be more accurate in finding *exact* duplicates by hash code matching. Disk Space Fan Pro has a decent help.chm file, too. I like it.

Reply   |   Comment by binaryweasel  –  7 years ago  –  Did you find this comment useful? yes | no (+9)

I concur with #44, 49, and 54 -- WinDirStat, and SequoiaView, are excellent freeware alternatives if you are just looking to analyze what is taking up space on your hard drive.

Both of these programs use a TreeMap to show you relative space used, which (to me) is a much more intuitive way of showing relative sizes of files compared to each other, especially for larger numbers of files.

Reply   |   Comment by Prosthetic Lips  –  7 years ago  –  Did you find this comment useful? yes | no (+3)

"Disk Space Fan Pro" Activate a question about
Setup.exe is running as an administrator after the installation completed successfully.......Done
Activate.exe is running as an administrator.......Done
Why? Trial version. 30 days left for trial.
Using the period of 30 days after the disabled? ; (
P.S: if you uploaded it wrong or not? Please answer! :)
I'm GAOTD User jil2010

Reply   |   Comment by aaaaaaaa  –  7 years ago  –  Did you find this comment useful? yes | no (-4)

Disk Space Fan Pro's "Top List" is incorrect on every drive I've tried it on. Here's a comparison of Disk Space Fan Pro versus PerfectDisk 10 for my small HP recovery partition. Note that almost everything Disk Space Fan Pro lists was automatically labeled by PerfectDisk, along with other, larger folders, and others which aren't labeled but are clearly larger are also visible (don't forget it's the angle and not the area which counts in a radial graph). Also note that Disk Space Fan Pro's window can't be enlarged.

Disk Space Fan Pro vs. PerfectDisk 10 (1472x1093)

#31, compu2, I was responding to the continued silly and totally senseless Vista-bashing. Like absolutely every OS that Microsoft releases, there were a few initial problems which the Service Packs fixed. Vista is as stable as XP (which isn't saying much). Most techies consider Windows 7 to be Vista 2.0, because it mostly is Vista (just as Vista has a lot of XP code). As for sticking with an older OS, I think it makes sense for developers to support the current OS and the one previous. XP is now two OSes old, and I don't think that developers should support it. Developers continuing to support obsolete OSes drives up development and support costs, it can lead to a reduction in features as they try to support the "least common denominator", and it leads to reduced productivity, especially at businesses, because they continue to use an OS with inferior features on inferior hardware, in the mistaken belief that they're saving money, when it's actually costing them in the long run. Problems here aren't due to Vista, they're due to incompetent programmers, many of whom are still writing for and using Windows 98 era development tools, and most of them just aren't very good programmers, period.

As for learning a new OS, everyone has to do that. Start with Windows Help and Support, the Microsoft website, and the numerous online sites, which for Vista include places like vista4beginners, winvistaclub, vistax64 (especially see the Tutorials section), howtogeek, winhelponline, etc. You had to learn how every OS you used worked, including XP. I bought Windows 7 a couple of months ago. I was testing a number of different software packages on Vista before upgrading (which will be a major, major pain), since like every Microsoft OS, some "OS rot" has set in despite my best efforts, so I don't have to worry too much about messing it up worse, and I can find out whether the software is likely to damage Windows 7, since it's basically the same internally.

Reply   |   Comment by Fubar  –  7 years ago  –  Did you find this comment useful? yes | no (+11)

Just throwing it out there, WinDirStat does something very similar and it's flexible as well.

Reply   |   Comment by z_man  –  7 years ago  –  Did you find this comment useful? yes | no (+1)

This was the first in a long time that I took the time to install. It works just fine. Be sure to run setup first, then activate, and both as administrator. Then program works great.

The pretty picture looks like that produced by the linux disk space analyzer. But that doesn't have the duplicate file capability of this one.


Reply   |   Comment by cwg  –  7 years ago  –  Did you find this comment useful? yes | no (0)

Win XP SP3: Installed and registered without issues. Program found duplicate files of old programs I thought were uninstalled (pre Revo Uninstaller). Duplicate file finder was reasonably fast, on two HDs' and had proper discriptions of files found. Duplicats deleated without adverse issues. This is not a fix all software; but I find it usefull.

Reply   |   Comment by Painter  –  7 years ago  –  Did you find this comment useful? yes | no (+1)

Tried many time to activate on Vista Basic without success. The program still shows Trial version. Will have to uninstall.

Reply   |   Comment by GussyL  –  7 years ago  –  Did you find this comment useful? yes | no (-3)

I get the following message when I try to run program:

"Unhandled exception has occured in your application. If you click continue, the application will ignore the error and attempt to continue. If you click Quit, the application will close immediately.

Could not load or assemly 'System.Data.AQLite, Version=, Culture=neutral, PublicKeyToken=db937bc2d44ff193' or one of its dependencies."

Reply   |   Comment by Jim Britt  –  7 years ago  –  Did you find this comment useful? yes | no (-2)

(My oh My the natives are restless today…lol Problems, problems, problems…)

A plus for me is having a graphical representation of my files on the HD as well as a stable program. The only thing is I like the way the following open source alternative to today’s GOTD does it; http://windirstat.info

Happy Holiday’s

Reply   |   Comment by aRenegade  –  7 years ago  –  Did you find this comment useful? yes | no (-2)

I will stick with Digital Volcano http://www.digitalvolcano.co.uk/content/duplicate-cleaner for all me duplicate file needs. Their program has a preview window so I can see what exactly I am deleting and groups them by type. This way I know I am not accidentally deleting orphaned .dlls, registry keys or other files that can negatively affect my operating system. Also there is a misspellings of the words "temporary" and "privileged" in the screenshot which is an instant turn-off. That said I won't even test it if the developer cannot even spell-check their product for mistakes.

Reply   |   Comment by Tim  –  7 years ago  –  Did you find this comment useful? yes | no (+6)

I got the same problem as #7 bitlife:

"And there are some problem deleting the files; you get this annoying “File can not be deleted when viewing history.” message whenever you try to delete the duplicates."

And yes I've scrutinized the Help file.

So, how do you delete duplicates ?


Reply   |   Comment by Ben  –  7 years ago  –  Did you find this comment useful? yes | no (-3)

Looks like a useful program, but the UI in the screenshots kept me from even trying it. It's not just spelling errors; "TempEROry files take about 3.53 GB disk sAPce" is just plain sloppiness. If that much is visible in a dialog box used as an example for how the program works (plus even more that I didn't copy), one has to wonder how many obvious errors are in the code that's not visible. Thanks anyway.

Reply   |   Comment by Dan  –  7 years ago  –  Did you find this comment useful? yes | no (+2)

30/Dec/2009 8:15
Interesting offer.
I have viewed the website as well as all of the comments.
4 decades of storage management professional experience has qualified me to try almost every storage product created. What I see here does not tempt me do even download.

Duplicate management:
I have been using AND PAID for http://www.extrabit.com/ spaceman99 for many years, Have not found better.

"space" management:
There is none better than http://windirstat.sourceforge.net/ windirstat and it is Free!

File manager:
Powerdesk. (free and paid)

Dataset management:
Actively involved with testing of a breakthrough product that just may be the best approach I have EVER SEEN. I will not mention the name here as I am NOT in a position to recommend it YET!

Drive management:
http://www.alexnolan.net/software/driveman.htm Is IMPOSSIBLE to beat!

By the way, just added up my storage attached to one of my computers and the number is 7.5TB
Just added a 2TB Hitachi USB and am beating it up as I type.

Reply   |   Comment by Bob Levy  –  7 years ago  –  Did you find this comment useful? yes | no (+5)

@13 I'm all for XP forever as well. Love it!

Reply   |   Comment by Springy  –  7 years ago  –  Did you find this comment useful? yes | no (-2)

The Grouser here,
I downloaded , activated , and run both of today`s offerings
with no discernible ill effects.
Disk Space Fan Pro produced a "cute" little chart with son information and a list of duplicate files on disk C.
There is NO WAY I would e_v_e_r let this delete files
on my systems disk. However i plan to try it on a duplicated file on my archive disk.
the other offering today " iTopsoft PC Speeduper rerun", run without incident. If it can Give more priority to opened apps then it may be of use.
I really didn`t notice any difference.

Reply   |   Comment by George Bishop  –  7 years ago  –  Did you find this comment useful? yes | no (+4)

runs fine on win7 x32. no install problems. nice software. quick! being able to access it from the explorer menu is nice. would like to be able to save to a list filenames deleted.
not worth the price though.
works for me. keeper.

thanks GAOTD!

Reply   |   Comment by John  –  7 years ago  –  Did you find this comment useful? yes | no (+1)

An excellent freeware alternative is JDiskReport, which I've been using for several years on XP Pro. It's professionally designed and well maintained. However it does require Java, which is a large separate download.


"JDiskReport enables you to understand how much space the files and directories consume on your disk drives, and it helps you find obsolete files and folders. The tool analyses your disk drives and collects several statistics which you can view as overview charts and details tables. This is ad-free uncrippled no-charge binary multi-platform software that never expires."

Reply   |   Comment by Steph  –  7 years ago  –  Did you find this comment useful? yes | no (+9)

Not a bad program, but not that useful either. First like several other post I do not like the "flower" layout, it does not really show anything useful.

Second, most of the time it is not duplicate files taking up all of the memory on your hard drive, thus being able to find them and remove them probably will not do much, and could cause some problems with programs.

Finlay I have to say that I like my PowerDesk Pro (paid version) due to one of the features in there is a size manager, it will tell you where all of your memory is being used at, example it will say you have 60 gig in your MP3 directory, another 75 gig in your video directory, ex. ex. ex. Then when you want to clean you know where all of your memory is going, not what file type is using it all.

Reply   |   Comment by darren  –  7 years ago  –  Did you find this comment useful? yes | no (-5)

Nice idea, but most of the time the problem with disk space usage is not having duplicate files on your hard drive. It is figuring out what is using up all of the memory.

Like some of the other post I do not like the "Flower" display and I am not wanting to see it broke down by file type.

I like my PowerDesk Pro (paid version). It has a size manager in there that brakes down your hard drive usage by location, thus you can see that you have 80 gigs in your MP3 directory, another 60 gigs in your video directory ex. Thus when you need to clean up you know what is taking up the most room and where it is at.

Reply   |   Comment by Darren  –  7 years ago  –  Did you find this comment useful? yes | no (0)

Seems useful, but as mentioned by others, the inability to resize windows makes evaluating duplicates very cumbersome because you can't see the full file and directory names. I'd also like to be able to open the files to see if I want the duplicate to remain.

To those who think that they have better english or programming _styles_ than others, I know a lot of excellent engineers that can not spell to save their lives (that's what a secretary's for) and their programming styles, although not "standard", are internally consistent and quite bug free.

Reply   |   Comment by david  –  7 years ago  –  Did you find this comment useful? yes | no (-1)

I seem to be going against the grain a little today but....Wow! I'm impressed! Truly a GOTD gem!

My sort of software - Hardly touches the registry in any way. I think it only has need to add its uninstallation key (as well as the activation registration values). Disk Space Fan Pro (DSFP) keeps a record of the most recent scan (for each partition) in Docs and Settings\username\Application Data\DiskSpaceFan, and (until overwritten by performing a more recent scan) these histories can be viewed in exactly the same way as any concurrent 'live scan' you may have just completed. #7 bitlife - If you think about it, it's not really surprising, and probably desirable that you get the “File can not be deleted when viewing history.” message whenever you try to delete the duplicates in such a manner. My own Docs and Settings DSFP folder has already grown to about 100 megs, but I anticipate that for me these records will prove useful, and I'm happy to afford the space to DSFP.

I find the animated 'Ringschart' that portrays disk usage, very pleasant and responsive, as well as informative. I've already learnt something new! I've a 20GB partition where I house and install most of my grass-roots applications. None of these programs are very big, so my attention was soon drawn to the 'Driver Sweeper' utility which I use when updating my NVIDIA drivers - I was curious why it amounted to nearly a couple of hundred megs. I knew it sometimes kept backups of a couple of dlls and sys files when cleaning up residue driver files, but (thanks to DSFP) I've now also discovered that on one occasion an entire backup copy was kept of a legacy extracted NVIDIA driver installation directory, which was (unbeknown to me) permanently occupying 114MB within my Driver Sweeper backups. As I always keep my own copies of drivers elsewhere, I've now deleted the extraneous backup and reclaimed the wasted space. I suspect other lessons may be waiting for me to learn...

Very fast in scanning too - takes little more than the blink of an eye scanning some of my partitions, whilst the largest (and probably the most taxing) partition I've tested uses 55GB of a total capacity of 100GB, and takes no more than two or three minutes maximum to scan on my aging Athlon XP1900. This result was particularly impressive for me, as I knew in advance that I had a great deal of duplicate texture images amongst the 55GB of data being scanned. The DSFP summary informs me that a total of 165,797 files were scanned, and 1,980 duplicate files were found on this occasion.

Even in the history records, the list of found duplicates is viewable almost instantaneously with a single click, and the results may be filtered so as to display (say) just images, documents, or videos etc. (in much the same way that recuva uses filters). It's also very easy to add and configure your own custom filters - something I'm sure will prove to be very useful too. Nice previews of images are icing on the very tasty cake which for me is DSFP! You can right click and select the preview option, or use the Space key as a shortcut. (Not sure if it's a bug, or limitation of design? - but I found that the Space key shortcut worked fine for viewing duplicate images in a scanned partition, but would do nothing when viewing duplicates in a scanned custom folder).

Being cautious as ever, I haven't yet tested the actual deleting of duplicate files. But so far the program has in the main been running like a dream, so I'm not anticipating any issues. There's even a failsafe method of deletion available, which gives you the option to substitute deleted files with shortcuts that get created for each, pointing to the file that remains on the disk.

Still much to learn - back to explore further - but a great program IMO. Thank you!

Reply   |   Comment by caulbox  –  7 years ago  –  Did you find this comment useful? yes | no (+18)
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