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From: Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
Subject: Re: Unable to retain installation configuration on Windows 10
Date: Tue, 22 Sep 2015 16:29:28 +0000 (UTC)
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Xi Shen <davidshen84 <at> gmail.com> writes:
> On Windows 7, the setup program is able to remember last install
> location. But on Windows 10 64 bit, the installation root is always
> "c:\cygwin64", and the package location is always
> "current_dir\cygwin64".
> 
> I think some register key is messed up?

Install directory can be seen using:
$ reg query HKLM\\SOFTWARE\\Cygwin\\setup /s
or
$ echo $( < /proc/registry/HKEY_LOCAL_MACHINE/SOFTWARE/Cygwin/setup/rootdir )
and the package directory using:
$ fgrep -A1 last-cache /etc/setup/setup.rc



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