Its been going on a few weeks. Everytime I plug in ANY usb drive, it only shows up under Disk management. It wont show up under windows explorer. On top of that, Explorer opens very slowly. It takes about 20 seconds to open. The computer runs great. XP SP2, core 2 Duo, office 12. Everything runs fine. I have run every virus check I know of including HJT logs with no luck. One person advised me to delete my inpfcache.1 file and reboot. so I did. But the system didnt rebuild that file. I found this out because I was going to do it again and couldnt find the file. so I restored the file from the recycle been. Any ideas guys?