That's probably the best solution. I'll try it since i have a save game which has a DEP error
Ok to correct your guide a bit:
Right click on Cmd (at top), and click on Run as Adminstrator.
type bcdedit.exe /set {current} nx AlwaysOff
Restart the computer to apply.
type wmic OS Get DataExecutionPrevention_SupportPolicy
The number should say 0.
Here is the full guide
http://www.vistax64.com/tutorials/12...e-disable.html