- Using Symantec’s tool. Sometimes worms and Trojans will make changes to the shell\open\command registry entries as part of their infections. This will cause the virus to run each time you try to run an .exe file such as the Registry Editor. Download the UnHookExec.inf file to your computer. Install it in your computer. Restart your computer and then try to open the Registry Editor.
- Using a registry tool. You can use regtools.vbs to enable your registry. This is a VBscript that enables or disables the Registry Editor based on the following location in the registry. Of course, since the registry editor is disabled, you can’t change it manually. After downloading regtools.vbs double-click on it to run, then reboot your computer and try to open the Registry Editor again.
- Changing Windows XP and Group Policy Editor. If you have Windows XP and access to an administrative user account, you could change the registry editor options in the Group Policy Editor.
- Click on Start then Run
- Type GPEDIT.MSC and Press Enter
- Go to the following location. User Configuration, Administrative Templates, and System.
- In the Settings, find the option for “Prevent Access to Registry Editing Tools” and double-click on it to change.
- Select Disabled or Not Configured and choose OK. Close the Group Policy Editor and restart your computerTry opening REGEDIT again
There are also some other ways to re-enable the registry editor but these three is the only ways that I know. If you know some other ways to fix Registry editor just let me know by leaving a comment below.