AutoCAD 2016 Performance Issue

Posted on May 26, 2016 by Synergis Product Support Manager, Darin Green

After upgrading your AutoCAD application from 2015 or earlier to 2016, you may notice a performance hit during the launch of the AutoCAD application. This is a known issue and Autodesk published a hotfix to resolve the issue.

The following issues are addressed by this hotfix:

  • May crash when panning transparently in multiple viewports.
  • Performance problem opening files containing specific objects in AutoCAD 2016 may appear as if files cannot be opened.
  • Use of the LISP (command) function within the (mapcar) function results in VVC Internal Error.
  • Grip stretch doesn’t work properly when DYNMODE equals value other than 2 or 3.
  • acedCallBackOnCancel is not detected for Lispcallable Functions.
  • Certain VBA Macros throw an execution error.
  • DWG file fails to insert into another DWG file.
  • May crash when Copy/Paste a block by Ctrl+C, Ctrl+V.
  • May crash when opening AutoCAD in Windows 10.
  • exe launched when running OPTIONS command.
  • Annotations in Architectural Units format are changing to Decimal format.


Use the following link for more information on this hotfix:

Autodesk® AutoCAD® 2016 Hotfix 3


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