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$process = Start-Process -FilePath "legacy_setup.exe" -PassThru -Wait $process.WaitForExit() $code = $process.ExitCode Write-Host "The Ghost says: $code"

Here are some common exit codes encountered in Windows:

The better practice on Windows is to use or NTSTATUS codes for system-facing tools, and small positive integers only for internal, self-contained utilities.

The logic was sound. If the installer failed, the script rebooted the machine to clear any locked files—a brute-force "fix." But Elias knew the installer wasn't failing. He watched it run. It completed perfectly.