I'm using Windows 7. I installed it on a separate hard drive from my old OS, Vista 64. I can't delete the Windows or Program Files folder on the old (Vista) hard drive. I get a message telling me I ...
The message prompt You require permission from TrustedInstaller to make changes to this folder will pop up when you try to delete, modify, rename, or access core ...
The Windows Installer folder is a hidden system folder situated in C:\Windows\Installer. To see it, you have to go through Folder Options and uncheck the Hide protected operating system files option.
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