:happy:I have Win XP Pro, SP2, using dosbox with a microsoft Fortran program and using the debug workbench program called "CodeViw". All seems to work fine with dosbox except for one thing, when I first start the program, the mouse pointer on the screen works properly, moves with the mouse movement. However, when I "click" on any item, "pull-down" menu, etc., the mouse pointer goes away, I can no longer use the mouse. It was suggested that this is because the command "AutoLock" was false, I set it to true and the same thing happend. Anybody have any ideas why this is happening? please let me know, Sid Kraft. 😀