My weekly McAfee scan crashes the system every time. So I uninstalled the program and tried to install Internet Security Suite 2007 which I bought. Next, the system continually crashed on bootup. Uninstalled the ISS 2007. Downloaded fresh copies of Ad-aware 2007 and updated Spybot. The Ad-aware found only tracking cookies, and running the Spybot crashed the system. There is a trigger somewhere that causes the crash. Any ideas?