I'm having some trouble with drop down windows in certain programs, taskbar drop down windows for programs, and right click windows staying open. They will open for a quick second and then shut. I've run malware/spyware and virus searches, and come up with nothing. I've also updated all of my drivers, and even tried disabling Aero. The problem has just kind of popped up, as everything was working fine for a while. I've also tried a system restore. Any recommendations to fix the problem?