Hi there, Thanks Cary for the tip. I disabled "Show window contests while dragging" in Windows XP Display Properties and it worked, I mean now it only updates once and when the mouse button is released.
Personally I prefer to have that option set, but I guess I can live without that until the problem be addressed in another way. Thanks, Mehdi PS. The Windows registry entry for that is: [HKEY_CURRENT_USER\Control Panel\Desktop] "DragFullWindows"="0" -- 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/