Whilst surfing the net on my Dell 9100 PC my internet connection closed down and my PC seemed to freeze. I then restarted it but upon selecting my personal settings a window appeared with a big red cross saying there was an Explorer.Exe error, and that the application failed to load (or something like that), upon clicking OK I was met by my screensaver and absolutely nothing else, no desktop icons, no menu bar, nothing. It wont even recognise that there is a CD in the drive. The same thing happens when I select my girlfriend's personal settings, just a screensaver and nothing. The only way to turn it off is by the button on the tower. I've heard pressing F8 on startup helps, can anyone else offer any more valuable free info rather than me paying for it to be fixed??