Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\DeviceGuard\Scenarios\HypervisorEnforcedCodeIntegrity Set the value to 0 . Restart your computer.
While Mastercam has evolved significantly from version X7 (released circa 2013) to version 2022, the underlying Sentinel LDK licensing architecture has remained relatively consistent. Consequently, this error is trans-generational, affecting users upgrading operating systems or migrating software versions without updating the licensing runtime environment. Mastercam X7-2022 Virtual Usb Bus Error 39