https://forums.autodesk.com/t5/autocad-forum/i-cannot-deselect-multiple-lines-at-a-time-using-shift/m-p/5883768#M305809 If you run AutoCAD without Microvellum (you must have a profile startup that does so), does the problem go away? Thu, 29 Oct 2015 13:23:28 GMT pendean 2015-10-29T13:23:28Z