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I have a shortcut to Visual Studio 2013 in my taskbar's quick start area. The target exe is named devenv.exe, but when I right-click it and Run as administrator, the UAC prompt that opens has a GUID added to the exe name. Why?

UAC prompt:

Visual Studio 2013 devenv.exe UAC prompt with GUID

Shortcut properties:

Visual Studio 2013 devenv.exe shortcut properties

  • Go to the target file’s details and you can probably find your answer. – Daniel B Nov 2 '16 at 17:44
  • @DanielB no, there isn't anything there. – Felix Dombek Nov 2 '16 at 17:47
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I have VS2015 Community installed. When I run is as administrator the UAC prompt says "devenv_80af265e-a92b-4324-ab32-c46fe27cebf2.exe".

What's shown to you in the UAC prompt is either the file name, or if the signer provided a description, that's what will be displayed instead.

This is the case with DevEnv.exe, MS signs with a description that includes the file name plus a "random" string of characters (not really sure how random it is between versions/computers).

If I use MS' SignTool to verify the file signature on DevEnv.exe and view the assigned description it reports (in part):

(Command used: signtool.exe /v /pa /d devenv.exe)

Description:     devenv_80af265e-a92b-4324-ab32-c46fe27cebf2.exe
Description URL: http://microsoft.com


Successfully verified: C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\devenv.exe

And low and behold the Description matches what the UAC prompt shows.

Why MS chose to use this format for the description of DevEnv.exe I'm not sure, nor can I find any reference to it.

  • This is it. Could you please add the command line you used? I can't get it to output the description. Interestingly, the SignTool description is in fact a different description than the "File description" from the Properties - Details tab and isn't even part of the VERSIONINFO (or any other resource), which is what is usually displayed in the UAC prompt. – Felix Dombek Nov 2 '16 at 18:39
  • Added the command I used (minus paths to the various files). Re your comment: "File description" = Description of file. Description in the UAC/Signtool = "description of the signed content". :) – Ƭᴇcʜιᴇ007 Nov 2 '16 at 19:25

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