Install/upgrade not working. Missing PMS.MSI

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[Windows] - Using the Microsoft Windows Troubleshooter FixIt for problems that block installing / removing Plex Media Server

Related Article https://support.microsoft.com/en-us/help/17588/fix-problems-that-block-programs-from-being-installed-or-removed Follow the steps on the Microsoft article for installing and running the FixIt Troubleshooter program. The FixIt covers Windows 7, 8, 8.1 and 10 Most problems with updating Plex Media Server are caused by corrupt files or missing msi files for the previous version of Plex Media Server. Tools that tidy up the windows environment may remove vital msi files that are need…