Hi All,I had an almost heart stopping moment on my Windows XP machine. The machine fired up as usual and got to the logon screen. Typed my password and my logon logo fell to the middle of the screen and then froze - no desktop or jingle. Eventually a message saying I couldn't be logged on came up followed by an explorer.exe error.I reset the machine and it went through scandisk. It flagged up an unroverable error with the 'Documents and Settings' Folders. Tried again and the same problem happened.So this time I reset and booted up in safe mode. Logged on as administrator and got to the system restore screen - phew! I selected a restore point I set from last week and the machine went through the motions of restarting. This time I logged on OK - what a relief. I checked, I restarted and logged on again, and again after loading different applications. No problem.What happened!!?? Has anyone else experienced this? Thank god for system restore! Can certain files become corrupted for no apparent reason - like explorer.exe, or is there a deeper problem that's likely to become recurrent in the future.-----------Activity History - Tuesday (yesterday)Swapped over my 9800 Pro with my Ti4200 and back again. At each event I uninstalled and reinstalled the drivers and used a driver cleaner. During the evening I restarted several times to enable different display FSAA aniso settings. I played on Rainbow Six as well as fs2004. The only thing of note was (trying to) play multiplayer on Rainbow six - booted out as my modem didn't have any welly! No hint of system troubles - lots of playing long after hardware tinkering.System Specs:Athlon XP 2100+Hercules Radeon 9800 Pro (Catalyst 3.6 Drivers)MSI KT3 Ultra 2 seriesCrucial 1024MB PC2700 DDR RAMSeagate 80GB HDDWindows XP HomeAnthony Dyer

I have never had that problem but thank god for system restore eh? :-lol

>I have never had that problem but thank god for system>restore eh? :-lol Yes, well after yesterday's 'incident' I'm still feeling very nervous with each power up and restart. So far no problems, I think something corrupted the profiles rather than any hardware failure. I'm still nervous though.- Software failures are better than hardware failures in that they're cheaper to fix!