Poweshell script not starting, while using arg -ExecutionPolicy Bypass


  1. Posts : 459
    Windows 10 Pro 64 bit 20H2
       #1

    Poweshell script not starting, while using arg -ExecutionPolicy Bypass


    I want to launch specific ps1 script using -ExecutionPolicy Bypass, because it doesn't work otherwise.

    I found this line from multiple sources, but when i execute this command in a bat file, or directly in PowerShell. It just hangs and nothing happens...
    Code:
    powershell.exe -ExecutionPolicy Bypass -File C:\MyUnsignedScript.ps1
    I launched powershell as admin. I have set restricted policy on machine. But i read, this command should bypass it. Yet it doesn't work. I tried putting -ExecutionPolicy at the end, or using quotes for path. Nothing works...
      My Computer

  2. Paul Black's Avatar
    Posts : 12,506
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #2

    Hello @empleat,

    empleat said:
    I want to launch specific ps1 script using -ExecutionPolicy Bypass, because it doesn't work otherwise.

    I found this line from multiple sources, but when i execute this command in a bat file, or directly in PowerShell. It just hangs and nothing happens...
    Code:
    powershell.exe -ExecutionPolicy Bypass -File C:\MyUnsignedScript.ps1
    I launched powershell as admin. I have set restricted policy on machine. But i read, this command should bypass it. Yet it doesn't work. I tried putting -ExecutionPolicy at the end, or using quotes for path. Nothing works...

    You could try this first . . .
    Code:
    PowerShell.exe -NoProfile -ExecutionPolicy Bypass -Command "& {Start-Process PowerShell.exe -ArgumentList '-NoProfile -ExecutionPolicy Bypass -File ""C:\MyUnsignedScript.ps1""' -Verb RunAs}"

    These BOTH work in .bat files to automatically give Administrator Rights . . .
    Code:
    (Net session >nul 2>&1)||(PowerShell start """%~0""" -verb RunAs & Exit /B)
    Code:
    cd /d "%~dp0" && ( if exist "%temp%\getadmin.vbs" del "%temp%\getadmin.vbs" ) && fsutil dirty query %systemdrive% 1>nul 2>nul || ( echo Set UAC = CreateObject^("Shell.Application"^) : UAC.ShellExecute "cmd.exe", "/k cd ""%~sdp0"" && %~s0 %params%", "", "runas", 1 >> "%temp%\getadmin.vbs" && "%temp%\getadmin.vbs" && exit /b )
    Just put one of them at the TOP of the batch script and CALL your file.

    I hope this helps!
    Last edited by Paul Black; 22 Aug 2020 at 17:22.
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  3. Posts : 459
    Windows 10 Pro 64 bit 20H2
    Thread Starter
       #3

    Paul Black said:
    Hello @empleat,



    You could try this first . . .
    Code:
    PowerShell.exe -NoProfile -ExecutionPolicy Bypass -Command "& {Start-Process PowerShell.exe -ArgumentList '-NoProfile -ExecutionPolicy Bypass -File ""C:\MyUnsignedScript.ps1""' -Verb RunAs}"

    These BOTH work in .bat files to automatically give Administrator Rights . . .
    Code:
    (Net session >nul 2>&1)||(PowerShell start """%~0""" -verb RunAs & Exit /B)
    Code:
    cd /d "%~dp0" && ( if exist "%temp%\getadmin.vbs" del "%temp%\getadmin.vbs" ) && fsutil dirty query %systemdrive% 1>nul 2>nul || ( echo Set UAC = CreateObject^("Shell.Application"^) : UAC.ShellExecute "cmd.exe", "/k cd ""%~sdp0"" && %~s0 %params%", "", "runas", 1 >> "%temp%\getadmin.vbs" && "%temp%\getadmin.vbs" && exit /b )
    Just put one of them at the TOP of the batch script and CALL your file.

    I hope this helps!
    Thanks!!! Great first line worked!!!
      My Computer

  4. Paul Black's Avatar
    Posts : 12,506
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #4

    Hello @empleat,

    empleat said:
    Thanks!!! Great first line worked!!!
    You are VERY welcome!
      My Computer

  5. Matthew Wai's Avatar
    Posts : 5,392
    Windows 10 Home 20H2
       #5

    The third code in post #2 can be simplified as below:

    Code:
    (Net session >nul 2>&1)&&Goto:✱||Echo CreateObject^("Shell.Application"^). ^
    ShellExecute "%~0","✶","","RunAs",1 >"%temp%\(+).vbs"&&"%temp%\(+).vbs"&Exit
    :✱
      My Computer

  6. Paul Black's Avatar
    Posts : 12,506
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #6

    Hello @Matthew Wai,

    Matthew Wai said:
    The third code in post #2 can be simplified as below:
    Code:
    (Net session >nul 2>&1)&&Goto:✱||Echo CreateObject^("Shell.Application"^). ^
    ShellExecute "%~0","✶","","RunAs",1 >"%temp%\(+).vbs"&&"%temp%\(+).vbs"&Exit
    :✱
    Interesting concept.

    Perhaps you could explain the use of variable please!

    Thanks
      My Computer

  7. Matthew Wai's Avatar
    Posts : 5,392
    Windows 10 Home 20H2
       #7

    The code is not just a concept. It actually works and has been used in the BSOD batch scripts:
    Batch files for use in BSOD debugging

    The star label is used because it is nice-looking.
      My Computer

  8. Paul Black's Avatar
    Posts : 12,506
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #8

    Matthew Wai said:
    It actually works and has been used in the BSOD batch scripts:

    Batch files for use in BSOD debugging

    The star label is used because it is nice-looking.
    Thanks @Matthew.

    The interesting thing is that the star label shows as a small box on the Tenforums screen, and a question mark on my OS!
    Last edited by Paul Black; 24 Aug 2020 at 08:18.
      My Computer


 

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