poss/Keef
Yep.
Start in Safe Mode.
Click "Start" - "Run" and type MSCONFIG
Under "General", choose "Selective startup"
Under "Startup", untick everything.
See if it starts OK normally.
If no, report back here.
Tried all that and it still hangs just after the Windows screen (the one with the blue running line. Screen just goes blank and my HDD active light goes out.