Are you running Win 95 or Win 98? I noticed that with Win 95 V.4.00.950a, that unless I disabled ScreenSaver, defrag restarted at every screen blanking and occasionally locked up the pc. Maybe this factoid is pertinent to your problem. Michael Eisenstadt Terry Bell wrote: > > I should like to Defrag at the recommended intervals but the last > couple of times I've tried I run into a frozen pc. > The Defrag program loads o.k. > I click on start and that's when absolutely nothing happens! I have to > restart my pc in order to unfreeze it. All other programs seem to work > fine. Any ideas? > Thanks ahead of time. > Terry > Burnaby,BC > Canada Do you want to signoff PCBUILD or just change to Digest mode - visit our web site: http://nospin.com/pc/pcbuild.html