Cygwin and the Windows registry

Cygwin and the Windows registry

[Steve Kelem]

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.

HKCU\Software\Cygnus Solutions\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
*HKLM\SOFTWARE\Cygnus Solutions
*HKLM\SOFTWARE\Cygnus Solutions\Cygwin
*HKLM\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2
HKLM\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup
HKLM\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0
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
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

Thanks,
Steve Kelem







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Re: 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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