Are you utilizing a physical for your license?
Try navigating to the installation folder and running the executable directly to see if the shortcut is the issue. mastercam x5 error .exe not valid
: Running a version of Mastercam designed for a different operating system architecture (e.g., trying to run a 64-bit installer on a 32-bit system). Are you utilizing a physical for your license
Follow these troubleshooting steps in order to resolve the issue. 1. Run in Compatibility Mode and as Administrator mastercam x5 error .exe not valid