Mastercam X72022 - Virtual Usb Bus

Sophos, McAfee, and Windows Defender often flag the mcamvusb.sys driver as a "potential rootkit." Why? Because it installs a kernel driver that intercepts USB traffic—behavior identical to a keyboard logger.

If you are using a version like Mastercam 2022, you no longer need to rely on physical dongles or complex virtual bus workarounds. mastercam x72022 virtual usb bus

Without these exclusions, the AV will quarantine the virtual bus driver mid-toolpath, causing Mastercam to crash with "HASP not found." Sophos, McAfee, and Windows Defender often flag the mcamvusb