I just mentioend RC as that is when the threads seem to start with this issue. Personally I have a legit Win7 64 Pro from newegg.
So I was restoring windows from teh backup images I made. Seems it didn't find the backup the first time because it wasn't at the root of the drive, I had it in a folder called "backup". Moved it to the root of the drive and it saw it fine.
So I have two backups, one that is from system restore I did when I still had ZA on it. The other was done the night before I had the issue with Comodo. Both restore fine, but check this out, when I restored the Comodo backup Comodo, ATI, and Logitech icons were gone from the system tray. Exactly like what happened after I turned of the ProgramDataUpdater. But I didn't do that until the day after I made the backup image. So maybe it was already screwed up and I didn't notice until the next day when I made the change in task scheduler. But...I would have noticed that I think. So I'm not sure what is going.
Since the Comodo backup image is broke, I'll relaod the ZA one, reinstall Comodo, and turn of the service you mentioned. See what that does.