Keep a copy of your .WibuCmRfM license file in a safe, offline storage location. If your hard drive crashes, you will need this file to re-import the virtual license.
The installer is typically found in the \\Mastercam Installer\ Redist\ CodeMeter\ folder on your installation media, or provided separately by your reseller. Ensure you have the version matching your Mastercam release (e.g., 2022, 2024, 2025).
A: The virtual key installer adds a kernel-mode driver ( WibuKey64.sys or CodeMeter.sys ). Windows cannot load or unload these drivers without a system restart.