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Re: cygwin stopped working

Thanks for the tip, but that didn't seem to have helped.

The registry setting CYGWIN_NOWINPATH=1 did not seem to affect the environment as seen in bash.

The variable seems to be set:

bash-4.4$ set

but the path variable contains still all the common system locations:

bash-4.4$ echo $PATH
/cygdrive/c/ProgramData/Oracle/Java/javapath:/cygdrive/c/Program Files (x86)/iis express/PHP/v5.3:/cygdrive/c/Program Files/Common Files/Mic rosoft Shared/Windows Live:/cygdrive/c/Program Files (x86)/Common Files/Microsoft Shared/Windows Live:/cygdrive/c/Program Files (x86)/Intel/ iCLS Client:/cygdrive/c/Program Files/Intel/iCLS Client:/cygdrive/c/Windows/system32:/cygdrive/c/Windows:...snip...

Manually overriding the PATH variable in bash did not help (presumably because the offending DLL is already loaded):

bash-4.4$ export PATH=/usr/local/bin:/usr/bin:/bin
bash-4.4$ echo $PATH
bash-4.4$ ls
      0 [main] bash (11276) C:\Cygwin\bin\bash.exe: *** fatal error - cygheap base mismatch detected - 0x3C52410/0x36F2410. This problem is probably due to using incompatible versions of the cygwin DLL.
Search for cygwin1.dll using the Windows Start->Find/Search facility
and delete all but the most recent version.  The most recent version *should*
reside in x:\cygwin\bin, where 'x' is the drive on which you have
installed the cygwin distribution.  Rebooting is also suggested if you
are unable to find another cygwin DLL.

On 2/11/2018 2:42 AM, Doug Henderson wrote:
On 11 February 2018 at 01:18, Andreas Schiffler  wrote:
Terminal (bash) fails with:

Error: Could not fork child process: Resource temporarily unavailable (-1).
DLL rebasing may be required; see 'rebaseall / rebase --help'.

bash-4.4$ ls
       1 [main] bash (6316) C:\Cygwin\bin\bash.exe: *** fatal error - cygheap
base mismatch detected - 0x3922410/0x3962410.
This problem is probably due to using incompatible versions of the cygwin
I do have another version of the cygwin dll file on the system (Plex
installation) but that never caused any issues in the past.

The method I use is to define CYGWIN_NOWINPATH=1 before I start
cygwin. Actually, I set it in my Windows User environment so it is
always set for my user. You can find the old windows path as the value
of the environment variable ORIGINAL_PATH. Then, when necessary, I add
only the previous path components that I require back in my
.bash_profile. In my cases,My path looks like:

$ echo $PATH

In your case, you may have Plex in your path. Make sure any Plex
related directories are not in your cygwin path.

A Google (or similar) search for "CYGWIN_NOWINPATH" will find many
pages on and



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