Registry+editing+has+been+disabled+by+your+administrator.

" **Registry editing has been disabled by your administrator. 2" ** The DisableRegistryTools Group Policy may have been enabled by some software you have installed or that has installed itself (malware). You should be sure you have antivirus updated and run a complete system scan. Then try this: _ Click **Start** and typewithout the quotes “ **gpedit.msc”**. Press Enter. This opens the Group Policy editor. In the left pane, scroll to:-  **User Configuration > Administrative Templates > System.** In the right pane, double-click :- Set the policy to **Not Configured** and click **Apply.** If it is already set to this, then set it to **Enabled,** click **Apply,** and then set it back to **Not Configured** and click **Apply.** Note  that this will work on Business edition of Vista, but not on Home editions because they do not support Group Policy.
 * Prevent access to registry editing tools. **