https://forums.autodesk.com/t5/inventor-forum/autodesk-inventor-won-t-run-on-windows-10-without-a-hotfix/m-p/5753692#M365881 <P>Steven,</P> <P>&nbsp;</P> <P>This is most likely the same problem that existed with 2012 on win8.1 - we don't officially support 2012 on win10 but please try the workaround for win8.1:</P> <P>&nbsp;</P> <P>See <A href="http://knowledge.autodesk.com/support/inventor-products/downloads/caas/downloads/content/hotfix-inventor-2012-unexpectedly-exits-after-updating-to-windows-81.html" target="_blank">http://knowledge.autodesk.com/support/inventor-products/downloads/caas/downloads/content/hotfix-inventor-2012-unexpectedly-exits-after-updating-to-windows-81.html</A></P> <P>&nbsp;</P> <P>Ensure to follow the manual re-registration instructions at the end of <A href="http://knowledge.autodesk.com/support/inventor-products/troubleshooting/caas/sfdcarticles/sfdcarticles/Unable-to-Import-DWG-DXF.html" target="_blank">http://knowledge.autodesk.com/support/inventor-products/troubleshooting/caas/sfdcarticles/sfdcarticles/Unable-to-Import-DWG-DXF.html</A></P> <P>&nbsp;</P> <P>Hope this helps,</P> <P>Chris</P> Mon, 03 Aug 2015 08:17:43 GMT ChrisMitchell01 2015-08-03T08:17:43Z