How to Back up and Restore Registry in Windows XP, Vista, Server 2008 and 7
Using Windows System Restore

Backup Registry in Windows XP
Follow these steps to backup registry and creating a restore point,
1. Type %SystemRoot%\system32\restore\rstrui.exe in RUN dialog box and press enter. It’ll open System Restore wizard. You can also open it from Programs menu (Start > All Programs > Accessories > System Tools > System Restore).
Note: If the “System Restore” is Turned off you will receive following message

* To enable “System Restore” Click YES on this message  …..Click here to read more

Continue reading " Back up and Restore Registry in Windows "