I had this happening too. For some reason teh xwindows manager does not completely shut down and an attempt to restart xwindows gives this errror.
1) from bash shell do a ps and "kill -9 xxxx" any orphaned job. 2) From Windows task manager do the same. -- View this message in context: http://old.nabble.com/cygwin-1.7-startxwin-failing-due-to-%22winMultiWindowXMsgProc---another-window-manager-is-running.--Exiting.%22-tp30327883p30474646.html Sent from the cygwin-xfree mailing list archive at Nabble.com. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://x.cygwin.com/docs/ FAQ: http://x.cygwin.com/docs/faq/
