https://forums.autodesk.com/t5/installation-licensing-forum/c3d-2015-sp3-installation-error/m-p/5769865#M137787 <P>I would uninstall Civil 3D and re-install it with the SP3 included.</P> Thu, 13 Aug 2015 14:54:41 GMT david.lau 2015-08-13T14:54:41Z