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Date: Tue, 10 Mar 2009 16:24:04 -0500 (CDT)
From: Tim McDaniel <tmcd AT panix DOT com>
cc: cygwin AT cygwin DOT com
Subject: Re: Upgrade woes ("file in use")
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On Tue, 10 Mar 2009, Nuzhna Pomoshch <yay AT I remembered!>
wrote:
> During a recent upgrade of about a dozen packages, I saw
> the  Cygwin setup window progress normally ("deleting
> package xyz..."), and then up popped a window that said:
>
> "In-use files detected"
>
> "Unable to extract /etc/postinstall/bash.sh -- the file is
> in use. Please stop all Cygwin processes and select
> 'Retry,' or select 'Continue' to go on anyway (you will
> need to reboot)."
>
> I didn't have any Cygwin processes running

There can be processes running that you can't see easily.  I use
Process Explorer, from <http://www.sysinternals.com/>, which now
redirects to
<http://technet.microsoft.com/en-us/sysinternals/default.aspx>.
Perhaps the default Task Manager works OK for this purpose.

Anyway, on my current system, even if I have closed all Bash windows
and Emacs windows and and and, it is still running ssh-agent.exe.
Also, in XP Control Panel - Administrative Tools - Services,
it shows services
     CYGWIN sshd
     CYGWIN syslog-ng

When upgrading, I make a point of killing ssh-agent.exe via Process
Explorer, and then stopping the two services via Control Panel.

-- 
Tim McDaniel, tmcd AT panix DOT com

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