Do not allow user to change policy

Prevents users from changing security zone settings. A security zone is a group of Web sites with the same security level. If you enable this TWEAK, the Custom Level button and security-level slider on the Security tab in the Internet Options dialog box are disabled. This TWEAK prevents users from changing security zone settings established by the administrator

  Operating System Windows 2000 / XP / 2003

Steps for applying this Tweak

• Open your registry
• Go to HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings
• Create or modify if exists a new dword value called "Security_options_edit"
• Set its value to 0 to disable this tweak or 1 to enable this tweak.
• restart internet explorer for setting to take effect.