If you are seeing a "This copy of Mastercam is not genuine" pop-up or watermark, your software has been flagged by CNC Software, LLC’s anti-piracy validation system. This is a common issue that affects both intentional pirates and legitimate users who may have configuration errors. Why You Are Seeing This Message
If you recently purchased a legal seat but previously had a "home learning" or unofficial version on the machine, you must scrub the registry. Uninstall Mastercam completely. Search for "regedit" in Windows.
If you believe this message is an error, contact your . They can run a diagnostic tool on your SIM/Hasp to verify the maintenance agreement and license status. They can often provide a "clean-up" utility that removes the flags causing the error. 4. Switch to the Mastercam Learning Edition this copy of mastercam is not genuine
Navigate to HKEY_CURRENT_USER\Software\CNC Software, Inc. and delete the folders.
Non-genuine copies are notorious for crashing during complex toolpath generations, leading to lost work. If you are seeing a "This copy of
Ensure your are up to date. If the driver is outdated, the software may fail to communicate with your USB dongle, leading Mastercam to assume the software is non-genuine. You can download the latest drivers directly from the Thales (formerly SafeNet) website. 3. Contact Your Local Reseller
Most "cracked" versions of Mastercam contain trojans designed to steal intellectual property or CAD designs. Uninstall Mastercam completely
Reinstall using the official installer provided by your Reseller. 2. Check Your Drivers
Using a "crack," "emulator," or "bypass" found on the internet.
If you are a student or hobbyist, don't risk using a "cracked" version. Mastercam offers a . It allows you to use almost all features for practice without the risk of malware or legal issues, though it will not post G-code for a CNC machine. Conclusion