Thanks for the clue, I had multple versions of cygwin1.dll especially with XPlanet which was running. I have now fixed the problem. Thanks again. Robert -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/