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rootsdigger05 - have you run a system file check see ==>>
Use the System File Checker tool to repair missing or corrupted system files
Have you tried a lightweight the registry cleaner, I favour Piriform's CCleaner. Some of the others are far too aggressive and can leave you in an even worse mess.
Can you install any other MSI's, this one is harmless ==>>
BowPad - Stefan's Tools
BR