Was pulling my hair out for a while; found the issue was the old network firewall blocking the extra download.visualstudio.microsoft.com for dotnetruntime6. Error was hidden in the windows\temp\powertoys-bootstrapper.....log.
Scriptrunner was just spitting out exit code 5 until i got that fixed, so all sorted.
Scriptrunner was just spitting out exit code 5 until i got that fixed, so all sorted.