https://forums.autodesk.com/t5/autocad-forum/error-53-when-trying-to-open-accoreconsole/m-p/5839101#M310040 <P>Hi,</P> <P>&nbsp;</P> <P>We have seen this on a couple of users and in both instance a clean uninstall and reinstall of the software only fixed the issue.</P> <P>&nbsp;</P> <P><A href="http://knowledge.autodesk.com/support/autocad-mechanical/troubleshooting/caas/sfdcarticles/sfdcarticles/2013-How-to-uninstall-AutoCAD-Mechanical-cleanly.html" target="_blank">http://knowledge.autodesk.com/support/autocad-mechanical/troubleshooting/caas/sfdcarticles/sfdcarticles/2013-How-to-uninstall-AutoCAD-Mechanical-cleanly.html</A></P> <P>&nbsp;</P> <P>Would you be able to test the above workflow. I do understand the inconvenience and I would like to apologize for requesting to do the reinstall but it is the best approach for this issue at the moment.</P> Wed, 30 Sep 2015 17:03:29 GMT VinodBalasubramanian 2015-09-30T17:03:29Z