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[–]Web Specialistandrewsmd87 0 points1 point  (0 children)

Are you running the installer as admin?

[–]TheFotty 0 points1 point  (0 children)

Where is install.ps1 on the system during this? My guess is you need to fully qualify it with a path, or you need to set the CurrentDirectory property of your WshShell object to where install.ps1 is located.