Hi @Anonymous,

Next time when you see AutoCAD freeze, could you please open the Activity Monitor, see if AutoCAD 2016 process is in red, and labeled as not responding?

And in the Activity Monitor, please double click the AutoCAD 2016 process, and click Sample button, save the sample file and send to me at: wei.ma@autodesk.com.

Thanks,
Wei

Wei Ma
AutoCAD QA Manager