Error Code 39: In Windows Device Manager, this error message generically states: "Windows cannot load the device driver for this hardware. The driver may be corrupted or missing."
Once fixed, you can avoid recurrence with these best practices: mastercam x72022 virtual usb bus error 39 fix
VMware, VirtualBox, USB over IP, AnyDesk USB.CodeMeter USB Bus if present.The "Code 39" error for the Virtual USB Bus (often associated with Technical Context Error Code 39: In Windows Device
The most effective solution for Windows 10 and 11 users is disabling Memory Integrity, which often prevents the virtual USB bus driver from loading. Open Device Manager
Causes of Virtual USB Bus Error 39