Using AutoCAD 9LT 64bit on just one computer, each time I run offset from the menu or just typing in OFFSET at the command line the drawing is exited. As soon as I input a value for the offset ad enter, the computer immediately exits the drawing. This happens only on one Compaq CQ5814 computer. I can run the same command OK on an other CQ5814 that I also have CAD on. I have 6gig of memory on each computer. I suspect some other program that I have on my faulty computer is doing this. Any help?