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So I am building a script that launches an executable in the common files folder of x86 folder. The issue I am having is the script uses the (x86) as if the x86 is a command that should be run first. Does anyone have any ideas on how to prevent that?

$Pulse = "${env:CommonProgramFiles(x86)}\Pulse Secure\JamUI\JamCommand.exe"
$ImportFile = '"-importfile "C:\Program Files (x86)\MyFile.preconfig"'
Start-Process powershell -ArgumentList "-noexit", "-noprofile", "-command &{Start $Pulse, $ImportFile}" -Verb Runas
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    Why are you launching an intermediary powershell.exe process? Why not just Start-Process $Pulse ... -Verb RunAs directly? Commented Jun 30, 2021 at 15:11

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As Mathias notes, there is no strict need to launch another PowerShell instance with elevation (run as admin, -Verb RunAs), because you can directly elevate the target executable, JamCommand.exe; however, if you want to run the executable in another PowerShell session that stays open afterwards - as your use of -noexit suggests - you indeed do:

$pulse = "${env:CommonProgramFiles(x86)}\Pulse Secure\JamUI\JamCommand.exe"
$importFileArg = '-importfile "C:\Program Files (x86)\MyFile.preconfig"'

Start-Process -Verb RunAs powershell @"
 -noexit -noprofile -c & "$pulse" $importFileArg
"@

Note:

  • This runs JamCommand.exe directly in the elevated PowerShell session, synchronously (assuming it is a console application), and the interactive session is only entered after that program exits. (Your attempt contains another Start-Process call (via alias Start), which would make a console program run in yet another console window, which auto-closes when the program exits.)

  • All pass-through arguments are encoded in a single (here)-string passed to the (positionally implied) -ArgumentList parameter, which allows direct control of the command line that is used to launch process, and is generally the most robust approach due to a long-standing bug in how passing arguments individually, as elements of an array is handled - see this answer.

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