Oh, I get the options by pressing F8, Sandra, and I can select boot in Safe Mode, which it starts to do, but then, as I said, when you get all the drivers listed, it hangs for a few minutes, then automatically boots into normal Windows. One thing switching off the power when running might have done, is forced a chkdsk on restart, but since I ran sfc, I have run Diskeeper successfully, so that's no longer an issue. I just want to get rid of the stuff F-Secure left behind now.