I would appreciate some help. Two nights ago my laptop processor monitor widgit was showing both cores constantly on full tilt. I checked the processes monitor and it would appear that explorer.exe is on overtime, running at 60% plus constantly. There does not appear to be any other programs affected. I searched on various sites, but most relate to XP and the Microsoft forum suggested that it might be a profile issue? One Mod suggested flattening the drive - great answer. This happens on both profiles, on reboot, etc.
Anyhow, the science bit:
Acer Aspire 8920G
Vista Sp1 (has been on for weeks now with no issue)
I have not added any progs, no torrents, BT McAfee Net plus does not show anything on full scan, disc error checking fine. Last Microsoft update was just bitdefender stuff.