PuTTYcyg is broken under cygwin.dll v1.5.25

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PuTTYcyg is non-responsive when running it.

Original issue reported on code.google.com by medgar123 on 19 Mar 2008 at 12:23

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I am running cygwin 1.5.25-7 and 1.5.25-11 and have no problems with puttycyg. 
I am
running the latest version of puttycyg too.

Original comment by eni...@gmail.com on 25 Mar 2008 at 2:22

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works for me on 1.5.25-11...  fixed it by removing the old version of 
cygwin1.dll 
that was in the same directory as putty.exe (don't know how it got there in the 
first place!)

Original comment by jstockto...@gmail.com on 28 Mar 2008 at 3:12

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I'm using 1.5.25-11 and it's not responsive. However, after running the cygwin
session, if I manually launch cthelper.exe from the commandline (without 
killing the
running copy) then I see output of the newly launched cthelper session in the 
putty
terminal. I suspect there is a race condition.

Original comment by jweckh...@gmail.com on 31 Mar 2008 at 5:06

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It is NOT working under VISTA. 
I tried to launch cthelper by myself.. but it still keep doing... nothing.
I can attach a Screencap for you to believe me

Original comment by gast...@gmail.com on 31 Mar 2008 at 12:43

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Just to confirm, when I replace the 1.5.25-11 version of cygwin1.dll with 
1.5.24-2
without making any other changes then puttycyg does run successfully.

I tested this on Vista Ultimate x86 version.

Original comment by jweckh...@gmail.com on 31 Mar 2008 at 2:50

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I confirm I can't get puttycyg to run with latest cygwin 1.5.25 installed today 
under
Vista SP1.

Same situation as Comment 5 by gastonm

Original comment by stef...@gmail.com on 3 Apr 2008 at 12:36

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If it helps anyone, I had the same problem.
This was my fix:

rename c:\cygwin\bin\cygwin1.dll to cygwin1.dll.off (you have to have all 
cygwin apps
closed)

Download this:
http://sourceware.mirrors.tds.net/pub/sourceware.org/cygwin/release/cygwin/cygwi
n-1.5.25-7.tar.bz2

Extract cygwin1.dll 

place in C:\cygwin\bin

I can now puttycyg again!
I cannot tell you how much ptutycyg makes windows commandline usable.. Thanks 
Mark
and Putty!!

Original comment by bdmo...@gmail.com on 17 Apr 2008 at 9:51

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It seems the problem occurs on systems which have multiple conflicting versions 
of
cygwin1.dll installed.

http://cygwin.com/faq/faq-nochunks.html#faq.using.multiple-copies

All Cygwin programs, including cthelper, suffer from this problem.  I don't 
believe
there is an easy way to detect this condition in code.

Original comment by medgar123 on 1 May 2008 at 3:35

• Changed state: WontFix

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Works great, thank you very much!!!

Original comment by baumg...@gmail.com on 26 Jun 2008 at 1:31

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I had this problem even on my Vista machines even though they had only one 
cygwin1.dll on them.  It went away with an upgrade to some version of 1.5.25-x 
and 
I've not seen the issue again since July.

Original comment by don.crui...@gmail.com on 20 Oct 2008 at 3:14