I have a Office 2007 Ultimate edition. I had bought the retail dvd. When I run the setup I am getting a error that that the installer cannot update one or more protected windows file. I checked inside Event log about the error. I found a msi file which as causing the issue. It was some rosebudmui.msi and the error code listed was 603(0x643). It looks some kind of corrupt file. How can I fix the error.
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