KB ID 0001599
Seen while attempting to install Microsoft Management Framework 5.1 on Server 2012 R2, (to upgrade PowerShell).
Windows Update Standalone Installer
The update is not applicable to your computer
Well in the the end it turns out I was being a doofus! I was installing W2K12-KB3191565-x64.msu which is for Server 2012 (Not Server 2012 R2!) Look a bit lower, you need Win8.1AndW2K12R2-KB3191564-x64.msu.
The solution was in front of me the whole time!
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