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I have been using Git Bash version 1.9.5 on Windows 8 successfully for a few weeks. This morning it stopped working. Every time I open Git Bash it shows up for a second and then crashes. I have searched everywhere for solutions; every forum says to uninstall Git and re-install a newer version. I have the newest version. I have re-installed Git and restarted my computer tons of times. I have tried opening Git from program files, from the console and from a few different shortcuts. I don't know what else to do.

Below is a screenshot of the split second the console window is open before it crashes.

Git crash error message

Hannah Thompson
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  • You need to change the Virtual Memory allocation of Windows, look at these steps : http://www.microchip.com/forums/FindPost/523439 – Alex L. Jan 28 '15 at 20:53
  • It worked! Thank you so much! – Hannah Thompson Jan 28 '15 at 21:00
  • Possible duplicate of [Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0](http://stackoverflow.com/questions/18502999/git-extensions-win32-error-487-couldnt-reserve-space-for-cygwins-heap-win32) – MikeB Oct 24 '15 at 00:12

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I had the same issue which resolved after deleting all the configuration files on home directory C:\Users\<username>. These included .bash_history, .bashrc, .bash_profile, .bash_aliases, .gitconfig, .git-credentials, .minttyrc and .npmrc. After restoring them one by one and opening git bash, I found the culprit to be .minttyrc line Term=xterm-256color I removed this line and it solved the problem.

jmuchiri
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  • Have an upvote. Win10 and just upgraded from 2.13.something to 2.16.1.4 and had the same problem. Commenting out the Term line fixed it. – shoover Feb 19 '18 at 19:56
  • Same here; Windows 10.0.16299.248, Git 2.16.1.windows.4 – JerodG Feb 19 '18 at 23:34
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You need to change the Virtual Memory allocation of Windows :

  • Go to Control Panel/System and Security/System then Advanced Systems Setting.
  • On the Advanced tab, click on the performance Settings button.
  • Select Advanced tab, and click on the Change button

  • Enter a custom size value as follows:

    • Initial Size (MB) = Currently Allocated (shown at the bottom)
    • Maximum Size (MB) = Recommended (shown at the bottom)

  • Click on Set button, click OK, reboot PC and enjoy !

Alex L.
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  • Didn't work for me. I have 64 gigs of physical memory, more than 48 gigs is unallocated. It seems remarkable that any part of Cygwin would need more memory than I have available. – MikeB Oct 23 '15 at 15:17
  • This link has a more complete and thoughtful answers. As far as I can tell, this is just a bug in cygwin (or ssh-agent), which expects a particular, constant virtual address to be available. When it's not, it falls over. http://stackoverflow.com/questions/18502999/git-extensions-win32-error-487-couldnt-reserve-space-for-cygwins-heap-win32 – MikeB Oct 24 '15 at 00:13