I'm very disappointed with the ArcSoft Perfect365 software. I've downloaded quite a few programs from GOTD and generally don't have registration problems.
I received the activation code e-mail on the day of the giveaway. I activated the program. I clicked on the registration button twice (after entering my activation code), because there was no message saying that the program had been registered after clicking it the first time. Below the key field, it said that the program was "already registered." I opened and closed the program several times that day, with no problems.
The next day, I opened the program and it displayed the GOTD registration screen. When I tried to register it with the code from my e-mail, it said that the activation had failed, so it closed. Then, I opened it again and it showed my GOTD registration information filled into the registration form. The third time I opened it, the program opened without the registration screen.
There is some sort of bug in the way ArcSoft implemented the registration process for GOTD. I don't know whether I will be able to use this program at all, even though I registered it properly on the day of the giveaway.
Perfect365 might be useful to someone who takes women's portraits, but the registration bug calls into question ArcSoft's ability to create reliable software.