Hi George,
Chkdsk on an active drive needs to be scheduled to occur on system reboot.
You cannot run the details disk checker on a drive that is in use (can't be
dismounted). Start/run cmd, run "chkdsk <drive>: /r" and follow the prompts
to schedule it. Then reboot.
--
Best of Luck,
Rick Rogers aka "Nutcase" MS-MVP - Windows
Windows isn't rocket science! That's my other hobby!
Associate Expert - WinXP - Expert Zone