Defrag on Vista hangs

[Sf]

I notice that everytime defrag is running, my laptop hangs.
Defrag started on scheduled task, but everytime it is running, after several
minutes, my computer hangs. I cant move my mouse, nor anything else, nor
CTL+ALT+DEL... Pls advise...

 

[Victek]

I notice that everytime defrag is running, my laptop hangs.
Defrag started on scheduled task, but everytime it is running, after
several
minutes, my computer hangs. I cant move my mouse, nor anything else, nor
CTL+ALT+DEL... Pls advise...

Try the following:

Empty your internet explorer cache
Set IE cache size to 100 megs
Run Disk Cleanup (check all categories)
Run Check Disk / Auto-fix errors (requires reboot)
Try Defrag again.