Cygwin and the Windows registry

[Max Bowsher]

Steve Kelem wrote:
> I'm doing fall cleaning, and came across the following registry entries.
>
> Which are required and which can be deleted?  The ones that start with
> an asterisk are the ones that I'm pretty sure are required.  I don't
> know about the rest.  They may be left over from previous versions.

Stuff to do with current Cygwin. The * ones apply to all users, the others
are per-user.
> HKCU\Software\Cygnus Solutions\Cygwin
> *HKLM\SOFTWARE\Cygnus Solutions
> *HKLM\SOFTWARE\Cygnus Solutions\Cygwin
> *HKLM\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2
> HKU\.DEFAULT\Software\Cygnus Solutions\Cygwin
> HKU\.DEFAULT\Software\Cygnus Solutions\Cygwin\mounts v2
> HKU\.DEFAULT\Software\Cygnus Solutions\Cygwin\Program Options
> HKU\S-1-...-1000\Software\Cygnus Solutions\Cygwin
> HKU\S-1-...-1000\Software\Cygnus Solutions\Cygwin\mounts v2
> HKU\S-1-...-1000\Software\Cygnus Solutions\Cygwin\Program Options

Stuff to do with very old versions of Cygwin.
> HKLM\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup
> HKLM\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0

I think it should be fairly obvious what a key containing
"Explorer\MenuOrder\Start Menu" does.
>
HKU\S-1-...-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrd\
Start
> Menu\Programs\Cygnus Solutions\Cygwin
>
HKU\S-1-...-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrd\
Start
> Menu\Programs\Cygwin
> HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Start
> Menu\Programs\Cygnus Solutions
> HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Start
> Menu\Programs\Cygnus Solutions\Cygwin
> HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Start
> Menu\Programs\Cygwin


Max.


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