My windows 7 reboot has been looping at 64% for 4 days- what to do?

[heatherlinton7773]

Looping @ 64% for four days. Not other screen or function is accessible plz help

 

[GreyCatz]

What precipitated the reboot? Were you installing Win7, updating drivers manually, or downloading via Windows Update?

Do you run Win7 Home or Pro, 32 or 64-bit, and what is the full name of your computer?