DWG TrueView 2018 error message when opening FastCAM
If you have installed FastCAM when you currently have a copy of AutoCAD and cannot open FastCAM due to error message below.
Make sure you have Full Administrator rights when installing FastCAM.
Reinstall AutoCAD using the following method - uninstall then reinstall. This should resolve the error.
Another method to try is using Windows Installer Clean-up Utility