Disable Windows installer

This tweak Disables or restricts the use of Windows Installer. This setting can prevent users from installing software on their systems or permit users to install only those programs offered by a system administrator.
 

Steps for applying this Tweak

• Open your Registry
• Go to HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Installer
• Create or modify dword called "DisableMSI"
• Set one of the following value depending upon option
  • 0 signifies that windows installer is fully enabled
  • 1 signifies that users can install only those programs that a system administrator assigns (offers on the desktop) or publishes (adds them to Add or Remove Programs). This is the default behavior of Windows Installer on Windows Server 2003 family when the policy is not configured.                                            
  • 2 signifies Windows installer is fully disabled.

• Restart windows or logoff for setting to take effect