Microsoft Appraiser Script - Windows 10 upgrade error - 0xc1900208

If you run the Windows 10 Upgrade Assistant and get an error code 0xc1900208. This means there is a compatibility issue with an application and the install is being blocked!

The only way to figure out what program is blocking it is to run a powershell script by Microsoft called Appraiser https://msdnshared.blob.core.windows.net/media/2018/03/AppRPS.zip