Windows Questions and Answers - Registry Editor Has Been Disabled By Your Administrator Message
Yadhu writes in with a Windows question
Question:The registry editor has been disabled by your administrator. But I am the Administrator?
Answer: If you are using XP Pro you can use the Group Policy Editor to make sure its not disabled. Once opened go to User Configuration, AdministrativeTemplates, System. Then look for an item called Prevent access to registry editing tools and make sure that it is not enabled.
If you have XP Home you may have to do some registry editing even though you cant get into the registry. This registry edit file has worked well for many people. Use it at your own risk though because editing the registry can leave your computer unusable. http://www.dougknox.com/security/scripts_desc/regtools.htm
You can also copy and paste this text into your Run menu which is accessed from the Start menu and click ok.