[SOLVED] explorer.exe high CPU usage - tried everything I can think of Hi, My explorer.exe is constantly using 30-45% of my 4-core CPU. I have determined after MUCH testing that the cause is likely not a virus / malware / rootkit. I have also:tested booting into safe mode (explorer.exe is fine in safe mode)done a "clean boot" by using msconfig to disable all startup processes and non-microsoft services (explorer.exe still uses 30-45% CPU on clean boot).run "sfc /VERIFYONLY" from an administration command prompt (sfc reported that everything was fine)I've been trying to figure this problem out for over 2 weeks now. Does anyone have any suggestions? I'm willing to try almost anything at this point.