https://forums.autodesk.com/t5/installation-licensing-forum/unhandled-access-violation-reading-0xffffffff-exception-at/m-p/5513538#M147635 Forgive my ignorance, but what do you mean by a clean install?<BR /><BR />Thanks Thu, 19 Feb 2015 21:45:01 GMT Anonymous 2015-02-19T21:45:01Z