A fatal error has occurred and Cygwin/X will now exit. Cannot establish any listening sockets - Make sure an X server isn't already running Please open /var/log/xwin/XWin.0.log for more information. Vendor: The Cygwin/X Project Release: 1.17.1.0 Contact: cygwin-xfree@cygwin.com Package: version 1.17.1-2 built 2015-02-23 XWin was started with the following command-line: /usr/bin/XWin -multiwindow