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ShellExecuteWait and UAC prompt

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Good day. I'm making my script run an installer, and display a message after installer closes. Basically:

ShellExecuteWait -> Installer -> message

Question: installer requires admin rights and thus my script will provoke a UAC prompt to come up. Could it possibly cause a message to appear prematurely? I.e. script sends a call to installer, but installer execution is being halted, so the script, theoretically, might consider it as if installer process is ended and display a message prematurely.

I'm asking this because I don't know what exactly UAC does to halt the application execution. So my question is simple: will this happen or not? I have no way to test it atm.

It shouldn't happen, because as far as I saw, UAC halts the entire OS, not just an application being executed. But I need a confirmation to this assumption.

P.S. I don't want to assign admin rights requirement to my script unless it's necessary.

Edited by supraspecies

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The installer isn't going to return an exit code due to a UAC prompt.

In order to not have a UAC prompt later during your script though, add #requireadmin to your script, so that your script will be the one prompting for UAC, and anything called from within it inherits the allow.

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Or use

#AutoIt3Wrapper_res_requestedExecutionLevel= ;None, asInvoker, highestAvailable or requireAdministrator (default=None)

Then it gets added to the programs manifest.

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