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From:	Tony Kelman <tony AT kelman DOT net>
To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject:	Re: Advice for debugging heap mismatches? (Win10 Insider build 14926)
Date:	Sun, 2 Oct 2016 09:38:40 +0000
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> You've got two different cygwin1.dll somewhere on your PATH. As your builds 
> proceed, they likely start out using the correct cygwin1.dll but sometimes load 
> the wrong cygwin1.dll along the way. The error message tells you how to solve 
> the problem. But I usually use this method:
>      - open a Command Prompt running as Administrator
>      - cd c:\ or wherever the root of your Cygwin installation drive is
>      - dir /S cygwin1.dll
> You might see multiple listings of the same cygwin1.dll due to the crazy WoW 
> support but these will all have the same date and size. You want to find the 
> cygwin1.dll that has a different date (probably older) and size. That's the 
> problematic one; rename it or delete it.

And if not?

C:\>dir /S cygwin1.dll
 Volume in drive C is Windows
 Volume Serial Number is C225-5FBC

 Directory of C:\cygwin64\bin

08/31/2016  05:32 AM         3,306,962 cygwin1.dll
               1 File(s)      3,306,962 bytes

     Total Files Listed:
               1 File(s)      3,306,962 bytes
               0 Dir(s)  58,480,676,864 bytes free

C:\>


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