https://forums.autodesk.com/t5/inventor-forum/incentor-2015-failed-to-install/m-p/5672777#M374805 <P>&nbsp;</P> <P>You should check out this other post.</P> <P><A href="http://forums.autodesk.com/t5/installation-licensing/quot-autodesk-download-manager-has-stopped-working-quot-autodesk/td-p/3887809" target="_blank">http://forums.autodesk.com/t5/installation-licensing/quot-autodesk-download-manager-has-stopped-working-quot-autodesk/td-p/3887809</A></P> <P>&nbsp;</P> <P>Beyond that my only thought would be to look in the Windows Event Viewer to see what might be triggering the error.</P> <P>In Windows go to the Start menu, in the Search field type in Event Viewer then pick on the icon when highlight in the menu</P> <P>Expand Windows Logs, select Applications</P> <P>look for Error reports around the last time you got this error message.</P> <P>&nbsp;</P> <P>Thanks,</P> <P>Danny</P> Wed, 10 Jun 2015 21:58:43 GMT DannyHubbard 2015-06-10T21:58:43Z