Prevent users from using Windows Installer to install updates and upgrades

This policy setting prevents users from using Windows Installer to install patches. If you enable this policy setting users are prevented from using Windows Installer to install patches. Patches are updates or upgrades that replace only those program files that have changed. Because patches can be easy vehicles for malicious programs some installations prohibit their use. Note: This policy setting applies only to installations that run in the user’s security context. If you disable or do not configure this policy setting by default users who are not system administrators cannot apply patches to installations that run with elevated system privileges such as those offered on the desktop or in Add or Remove Programs. Also see the “Enable user to patch elevated products” policy setting.

Additional Information

  1. Registry path is:

    HKEY_LOCAL_MACHINE -> Software -> Policies -> Microsoft -> Windows -> Installer # DisablePatch

  2. The Administrative Template path is:

    Windows Components -> Windows Installer


* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.
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