"Windows installer service can not update one or more protected windows files, installation failed"

Office 2007

I get an error when I try to Install Office 2007 Home & Student. "Windows installer service can not update one or more protected windows files, installation failed" How do I find which files to unprotect and how do I unprotect them?

Try the steps mentioned below for the issue you are facing installing office 2007

1. Copy Fp4autl.dll from the cd/file

2. Copy to  "C :\Program Files\Common Files\Microsoft Shared\Web Server Extensions\40\Bin\" dir.

Try following the article:

How do I install Getting error when I try to install Office 2007