Because the installer modifies system files, some aggressive antivirus programs might flag it as a "Trojan." If you downloaded it from an official source, you can safely add it to your "Exclusions" list.
If you are troubleshooting an official license or installing a legitimate version, these official guides will walk you through the correct process: Mastercam 2026 Install & Update 3K views · 8 months ago YouTube · ProtoTek Engineering How to Install Mastercam 2020+ 13K views · 6 years ago YouTube · MLC CAD Systems mastercam virtual key installerexe
Similar files like Multikey_64bit_for_MasterCAM.exe have been flagged by Hybrid Analysis with a 100/100 Threat Score , indicating they may contain Trojans or spyware. Because the installer modifies system files, some aggressive