Tag Archives: KB971187

How to Fix “The installation source for this product is not available. Verify that the source exists and that you can access it.” error message

Posted on July 12, 2014 by Timour Rashed

Problem: If you encountered the error when trying to install/uninstall an application, you may be facing a corruption in the registry where the keys missing or partially missing. The installation source for this product is not available. Verify that the … Continue reading →

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