Portable.autodesk.autocad.2010
– focusing on its impact in architecture, engineering, and construction.
AutoCAD 2010 had three major service packs (SP1, SP2, SP3) that fixed over 200 bugs, including memory leaks that caused drawings to corrupt on save. Any "portable" version is based on the original RTM (Release to Manufacturing) build. You will encounter the infamous constantly—usually right before a deadline. Portable.Autodesk.AutoCAD.2010