Sep 7, 2017 - This application failed to start because it could not find or load Qt platform plugin 'windows' in '. Reinstalling the.

This application failed to start because it could not find or load Qt platform plugin 'windows' in '. Reinstalling the application may fix this problem.

Get this message when I start up AutoCAD 2017 and 2018. Have used repair and reinstall. Have uninstalled using the uninstall tool from Autodesk and then done a fresh install. Nothing helps. I can run.as a trial but as soon as I want to register it chrashes.

Have installed all Windows and Autodesk updates as of yesterday. Chrash report have been sent to Autodesk. Urgent help needeed PS. I am able to run Revit.