http://support.microsoft.com/kb/935796
Windows Vista SP1 Blocks Antivirus Programs and others


The list of security products includes Zone Alarm Security Suite 7.1, Trend Micro Internet Security 2008, and BitDefender 10.

New York Times Reader stops working when the right mouse button pressed.
(This would be suspiciously political espionage if it was the left mouse button.)

I'm using SP1 with 64-bit Vista. I use Trend Micro Internet Security 2008 and it works just fine. Trend Micro updated it's software on Feb. 14 to be compatible with SP1. I'm not sure about the other security programs though...