Microsoft offers a Fix IT troubleshooting tool that you can run when programs won’t install or uninstall. The Fix It fixes problems with corrupt registry keys. If software is failing to install on your system, you should give this tool a try — there’s no harm in doing so and it’s quick to run. To use it, just visit the Fix problems that programs cannot be installed or uninstalled page on Microsoft’s website, click Run now, and run the tool. It will repair these problems automatically and hopefully fix your issue.