I am trying input this command line into context menu so when I right-click on the USB drive, that drive letter would pass into the .ps1 script and run commands using that driveletter. This script requires -Verb RunAS, but my version does not work. The registry is Windows Registry Editor Version 5…

thanks for editing everything. I haven’t done this before so I’m not sure what the constraints are for adding commands, but what is the %1 variable represent? I’m also not sure about the -verb runas part as that’s not a Powershell parameter or a CMD parameter that i’m familiar with.

Start-Process powershell -Verb RunAs -Verb RunAs makes it Run As Administrator. The %1 represents the path, right-clicked

ok, I see now that Start-Process has the -Verb RunAs parameter, but your original code isn’t using Start-Process. From what I can see the value you put in the “Command” key is going to be processed as a command, not PowerShell. If you need RunAs you might have to try the -Command parameter of powe…

How do I extract the DriveLetter: part from the path of ‘%1’ ?

that i do not know. I’ve never used that %1 variable in any context.

First thing I recommend is to understand what is actually being used. If you see %1, that’s indicative that cmd is being used. (cmd uses % in variable names) In cmd, you can read all the help topics just like you can in powershell, for this specific question, I would read through the help for the fo…

%~d1 But this is for .BAT scripts. Its not accepted in .ps1 scripts

Your shortcut is using cmd to call powershell. Please read the answers you are provided.

But the .ps1 script is NOT run as administrator. The UAC prompt did not come up.

DriveLetter not working

PowerShell Help

grey0ut June 11, 2025, 2:34pm 2

when sharing any code please remember to format it as code.
You can use the “Preformatted Text” button from the toolbar.
Guide to Posting Code

Topic		Replies	Views
Run CMD within Powershell PowerShell Help	4	6429	August 26, 2021
Verb RunAs in a Start-Process Powershell command causes an error PowerShell Help	5	2215	August 10, 2021
Running powershell from windows right click PowerShell Help	4	349	November 7, 2020
Powershell with admin rights and command PowerShell Help	2	261	September 26, 2019
Access content of a file via variable on linux PowerShell Help	3	299	December 23, 2023

DriveLetter not working

Related topics