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	Tue, 31 Aug 2021 08:38:21 -0700 (PDT)
To:	cygwin AT cygwin DOT com
Subject:	requestedExecutionLevel "asInvoker" is ignored for setup-x86_64.exe
Message-ID:	<b12f2d11-85e4-ac9e-64b1-f98194e080a8@gmail.com>
Date:	Tue, 31 Aug 2021 18:38:16 +0300
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From:	ilya Basin via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	ilya Basin <basinilya AT gmail DOT com>
Sender:	"Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

Hi.
I noticed that despite having:

    <requestedExecutionLevel level="asInvoker"            uiAccess="false"/>

in setup-x86_64.exe the UAC prompt is not bypassed and when I click Cancel the program is not started.

Previously I used the same binary to install Cygwin for "Just me" on a host where regular users are simply not allowed to trigger a UAC prompt.

I have downloaded some other software installers and they work as intended:

    cf7_installer.exe
    Git-2.33.0-64-bit.exe
    pgadmin4-5.6-x64.exe

The following env var also failed:

    set __COMPAT_LAYER=RunAsInvoker

Then I tried to un-UPX and remove the manifest with ResHacker and I also renamed "setup-x86_64.exe" to "putes-x86_64.exe" because I heard that UAC looks for keyword in .exe name without a manifest, but the resulting binary still triggers the UAC.


Reproducible on:
Windows 10 20-H2 build 19042.746
Windows 7 sp1 buld 7601

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