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Date: Fri, 17 Oct 2025 17:19:31 -0400
Message-ID: <CAJN=LAhAiT5jxpo6LJ3THrJYG9tESit13ndyqy=N5Q_eH8fWig@mail.gmail.com>
Subject: Re: Installing CYGWIN 3.6.5 on fresh install of Windows 11 24H2 Build
 26100 fails
To: cygwin@cygwin.com
From: Kevin Schnitzius via Cygwin <cygwin@cygwin.com>
Reply-To: Kevin Schnitzius <dont.know.at.all@gmail.com>
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On Fri, Oct 17, 2025 at 3:54 PM J. P. Abelanet via Cygwin
<cygwin@cygwin.com> wrote:
>
> Thanks for the quick reply.  This is a vanilla install, with literally nothing on it other that Windows 11.
> In particular, no third-party anti-virus tools have been installed.
> I had already tried adding a WD exclusion for C:\cygwin, and turning off Real-time protection and related
> switches.
>
> Any other ideas?  This is a Parallels VM, but I’ve used CYGWIN on all my other Parallels VMs for
> 15 years in a very high usage development environment with no problems.

100%, this is your environment.

I am running an Azure VM:
OS Name:                       Microsoft Windows 11 Enterprise
OS Version:                    10.0.26100 N/A Build 26100

uname -a
CYGWIN_NT-10.0-26100 kscygtest 3.6.5-1.x86_64 2025-10-09 17:21 UTC x86_64 Cygwin

Defaults on everything, running as admin for the install.  No install
problems -- running flawlessly.

Kevin

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