This has been really getting on my nerves recently. Now and again when I connect to a counter-strike server, a "server busy" windows dialog box will pop up, forcing cs to minimize. I click "switch-to" for about 25-30 seconds, and some adware pops up. I close the adware, open cs and fps is now down to almost unplayable.
I have scanned with Ad-Aware, spybot, AVG and Microsoft anti-spyware, cleared absolutley everything out, restarted and the problem persists :/