Windows Installer registry permissions

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This problem is caused by a botched hotfix integration by nLite. The hotfix is KB893803 aka Windows Install 3.1 v2.

HKLM\Software\Microsoft\Windows\Current Version\Installer


Bad permissions:

Bad perm.jpg


  • Change Administrators and SYSTEM to "Full Control"
  • Add Everyone and give "Read" permission
  • Click Apply


  • Click Advanced
  • Check "Replace permissions entries on all child objects with entries shown here that apply to child objects"
  • Click OK, then Yes.
  • Click OK, close regedit.


Good permissions:

Good perm.jpg