Sysprep Failure with Setupact Log
From DFWLPiki
Windows 10 SysPrep fails and specifys view setupact.log file
Look in the log, and it should specify a package that is insatlled for one user but not all. if so, then remove that package like this:
Get-appxpackage -allusers *PartialPackageName* | Remove-AppxPackage
Run SysPrep again.