Computer/User Node :
MACHINE
Policy Path :
Administrative
Templates\Windows Components\Windows Installer
Supported on :
Windows Installer v3.0
Help/Explain Text :
This setting
controls the ability for users or administrators to remove Windows Installer
based updates. This setting should be used if you need to maintain a tight control
over updates. One example is a lockdown environment where you want to ensure
that updates once installed cannot be removed by users or administrators. If
you enable this policy setting, updates cannot be removed from the computer by
a user or an administrator. The Windows Installer can still remove an update
that is no longer applicable to the product. If you disable this policy
setting, a user can remove an update from the computer only if the user has
been granted privileges to remove the update. This can depend on whether the
user is an administrator, whether Disable Windows Installer and Always install
with elevated privileges policy settings are set, and whether the update was
installed in a per-user managed, per-user unmanaged, or per-machine context.
Registry Settings :
HKLM\Software\Policies\Microsoft\Windows\Installer!DisablePatchUninstall
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