How to fix the Blue Screen of Death on Windows 7 and Windows 2008 R2 and later OSs.

Boot the computer into Recovery console.  This can be done with the Windows disk.

Restore Registry from a previous backup.

You need to find the drive letter that hold the windows directory of your install.

Go to that drive letter.

Cd windowssystem32config

copy *.* *.old

copy e:windowssystem32RegBack*.* *.*

Reboot, F8 last known good settings.

You computer should come back to the windows booting screen and load your desktop.