[XXXXXInstaller] $ powershell.exe -NonInteractive -ExecutionPolicy ByPass "& 'C:\Users\Builder\AppData\Local\Temp\hudson506960763024489469.ps1'"
Missing expression after unary operator '-'.
At line:1 char:2
+ -E <<<< xecutionPolicy ByPass & 'xxxxxxxxxxxxx\hudson50
6960763024489469.ps1'

Reverted to the 1.2 plugin and it works fine.

Also should note... The script ran fine before the update, it has not changed, and for giggles, I ran it manually on the server and it was ok. I don't think there is anything in the script that could be causing the issue.