Start the Registry editor: Start > Run > regedit > [Enter] . Navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder
Right click on the MenuOrder folder, choose Permissions; go to Advanced in the windows that pops up, and uncheck the entry Inherit from parent th permission entries explicitly defined here. A security dialog box will open up. Choose Copy. This will take you back to the Advance Security Settings for MenuOrder dialog. Click Ok here. In the Permissions dialog, uncheck Full Control in your account and security groups. Don’t change th Read permission. Reboot the computer and all your menus will be in alphabetically sorted.