Windows Installer registry permissions
		
		
		
		
		
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HKLM\Software\Microsoft\Windows\Installer
Bad permissions:
- 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:

