C:\Windows\SysWOW64\drivers\ (Delete the same files if found). Now you need a clean installation. Do not plug in your HASP yet.
If you are a CNC programmer or machinist, few things are as frustrating as launching Mastercam only to be greeted by a cryptic error message: This error, appearing in your Device Manager under a node called "Virtual USB Bus" (often accompanied by a yellow exclamation mark), is the notorious Error 39 . It completely prevents Mastercam from communicating with your HASP key (the hardware USB dongle that holds your software license). mastercam x72022 virtual usb bus error 39 fix
Happy machining.