try these :
http://support.microsoft.com/kb/925196OR :
Remove all USB drivers with:
http://www.ee-stuff.com/Expert/Upload/getFile.php?fid=6853 ---> Now reboot and test.
Delete the "UpperFilters" and "LowerFilters" registry values from:
HKEY_LOCAL_MACHINE\SYSTEM\
CurrentCon
trolSet\Co
ntrol\Clas
s\{36FC9E6
0-C465-11C
F-8056-444
553540000}
you can also reset the usb :
rundll32.exe setupapi,InstallHinfSectio
n DefaultInstall 132 C:\WINDOWS\inf\usbstor.inf
rundll32.exe setupapi,InstallHinfSectio
n DefaultInstall 132 C:\WINDOWS\inf\usb.inf
rundll32.exe setupapi,InstallHinfSectio
n DefaultInstall 132 C:\WINDOWS\inf\usbport.inf
rundll32.exe setupapi,InstallHinfSectio
n DefaultInstall 132 C:\WINDOWS\inf\usbprint.in
f