diogenysos: Sounds like an update glitch from Microsoft then. I'm only saying that as one of their updates caused conflicts with our internet security software. I'd go through any recent updates from them and uninstall the latest... or give them a call and get advice!!
The other option is... http://www.combofix.org/ .......... It's a desktop run program that scans deep and gives a full report on the likes of registry issues. But make sure ( as prompted) you use the back up option first.
(hide) If you want to find out more about some games you can check the links section and see if you find any interesting links there. (pauloaguia) (show all tips)