Uninstalling Get Started app with the PS command "Get-AppxPackage *getstarted* | Remove-AppxPackage".
Uninstalled.
Rebooting.
Taking longer than normal.
Logging on.
Check start for uninstalled app.
App not there (as expected).
Started reinstalling preinstalled app with the command "Get-AppxPackage -AllUsers| Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}".
Finished with an error... (http://imgur.com/QB5FQnH)
Restarted PC.
Apps that wouldn't launch still won't (ie. "Get Started" or "Xbox).