"Registry Editing Has Been Disabled By Your Administrator"

Solution:

If you people have ever encountered an error like this, "Registry Editing Has Been Disabled By Your Administrator" on Windows XP or any other Windows NT Operating system, this may help you!

I have encountered the above error many times while patching the registry. Even manual "regedit" command was not working.

So, here is simple solution:

1. Go to "Start >> Run" or press "Windows Key + R".
2. Type this command exactly as given below (or you can copy-paste it too)

REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 0 /f