The "Virtual USB Bus" is a software layer that mimics the behavior of a physical USB port. In the context of Mastercam, it is heavily utilized by the security system.
For CNC programmers and machinists, Mastercam is the bridge between a digital design and a physical part. When that bridge collapses due to a software error, productivity grinds to a halt. Among the most notorious and cryptic errors in the Modern Mastercam environment (versions X7 through 2022) is the Mastercam X7-2022 Virtual Usb Bus Error
If the error persists, try creating a new Windows Administrator account to see if the issue is tied to a corrupt profile. Check USB Port Mapping: The "Virtual USB Bus" is a software layer
If you use a NetHASP license: