I installed Executive Software Diskeeper to defrag my hd, set it and forget it style. Well, I also wanted to do a boot time defrag and check the options to do so, one of the options is to CHKDSK before defrag so ok, but once the computer reboots to defrag, it say my HD is not NFTS or not mounted or locked, it dont run, then the CHKDSK doesn't run and the computer just boots up. Now If i try to manually run CHKDSK C: /f , it says its read only and to restart to run, fine, but when it restarts it never runs, now diskeeper, the defrag utility says I can't defrag because chkdsk is scheduled to run and it has to wait for that, no defraging!!! UGH, how can I clear all settings to run a chkdsk, my computer isnt doing it even though its scheduled and I manually tell it to??? Thanks

If no other solution reveals itself.. Restore. Is there some reason you NEED to do a boot time defrag? I usually start the defrag before I go to bed and then wake-up to a clean drive.

You may need to restart twice. Run CHKDSK and schedule a boot-time check, restart, run it again and schedule the check again, then restart once more. I ran into this problem once. Again, do you have a specific reason to do a boot-time defrag? It's really no better than just running one overnight when you need it, or leaving the Diskeeper program running in the background set on auto-defrag.

At boot up windows is getting its act together. Kinda like before that first cup of coffee. Let it get booted up and stable before your run defrag. If you're running just one drive tell chkdsk to run at next boot up then let defrag run say 15 mins later.

Try this: chkdsk c: /F /X It will force to dismount the volume. chkdsk /? for more options