Recently I installed counterspy on my system, and when I downloaded
this, I decided to scan the program for any potential threat and found that the quick scanner was stuck on "Initializing engine". I waited and waited...
Then decided to test Avast! and opened the full scanner. At the memory test on the splash screen, it froze (well it didn't completely freeze it just stood there initializing).
I rebooted into safe mode and Avast! worked perfectly, and I am currently desperately hoping I am wrong in my suspicion in CounterSpy. In SUnbelt's 'FAQ' it said that the program will not conflict with my A.V. (this being Avast!)
Windows Security center says Avast! also protects from "Spyware and other Malware", so that's what points a finger at Counterspy, since it protects from "Spyware and other malware" too.
When I did scan the program for malware, no threat came up, so I assume it isn't that.