Registry editing has been disabled by your administrator
Symptoms: You are getting the following message when you're trying to use registry editing tools.
Cause: This problem is caused by a group policy.
Download HijackThis from the following location: http://www.merijn.org/files/hijackthis.zip
Run a system scan only.
Locate the following entry:
O7 - HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System, DisableRegedit=1
Check this entry and click Fix Checked
Logoff and log back in.
If the entry doesn't go away, you might be the victim of a spyware/virus program and we strongly advise you to submit a HijackThis log on the My Fixes Forums by going to the following link: http://www.myfixes.com/slides/spyware-27
A quick registration process will be required.