Because this is a kernel-level driver (interacting directly with Windows hardware abstraction), it can be a source of stability issues. Users frequently report:

If you support Mastercam X7 through 2022, here is how to handle the Virtual USB Bus Driver:

If you plan to keep using Mastercam 2022 or X7 for the next 3–5 years:

After installation:


Mastercam uses a hardware lock (dongle), historically known as HASP (Hardware Against Software Piracy) and now branded as Sentinel by Thales Group. This USB device stores the license information for your specific version of Mastercam.

It is critical to distinguish between the Local Virtual USB Bus Driver and the NetHASP Virtual Bus.

If you are running Mastercam X7-2022 in a networked environment with a USB dongle on a dedicated license server, the server needs the Virtual USB Bus Driver, but the workstations do not.


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Mastercam X7-2022 Virtual Usb Bus Driver Today

Because this is a kernel-level driver (interacting directly with Windows hardware abstraction), it can be a source of stability issues. Users frequently report:

If you support Mastercam X7 through 2022, here is how to handle the Virtual USB Bus Driver: mastercam x7-2022 virtual usb bus driver

If you plan to keep using Mastercam 2022 or X7 for the next 3–5 years: Because this is a kernel-level driver (interacting directly

After installation:


Mastercam uses a hardware lock (dongle), historically known as HASP (Hardware Against Software Piracy) and now branded as Sentinel by Thales Group. This USB device stores the license information for your specific version of Mastercam. Mastercam uses a hardware lock (dongle), historically known

It is critical to distinguish between the Local Virtual USB Bus Driver and the NetHASP Virtual Bus.

If you are running Mastercam X7-2022 in a networked environment with a USB dongle on a dedicated license server, the server needs the Virtual USB Bus Driver, but the workstations do not.