If you ever encountered? error displaying message ?Registry editing has been disabled by your administrator? on Windows XP or any other Windows Operating system,here is solution to solve this problem.

1)Click on Start button on taskbar.

2)Select Run option from start menu.

3)Then type following in text box or just copy from here and paste it in the text box.

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

4)Click on OK.

Screenshot of Run Dialog Box: