Right-click it, select , and ensure you check the box that says "Delete the driver software for this device." Step 4: Manually Re-register the Registry Keys
The Mastercam X7-2022 "Virtual USB Bus Error" is a test of patience. However, with a systematic approach—beginning with disabling driver signature enforcement, cleaning up old installations, and manually installing the driver—you can nearly always restore functionality. Whether you rely on a physical HASP or a virtual emulator, the key is a clean, conflict-free environment. mastercam x72022 virtual usb bus error link
Corrupted registry entries can block USB controllers. Open regedit and navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\36FC9E60-C465-11CF-8056-444553540000 Look for UpperFilters in the right pane and delete it. Restart your computer afterward. Right-click it, select , and ensure you check
Unplug all non-essential USB devices (like cell phones or external drives) before plugging in your HASP key or starting the software to avoid driver conflicts. Official Diagnostic Tools Corrupted registry entries can block USB controllers
Alternatively, open a command utility or look for solutions shared by users on communities like Reddit TechSupport , which detail using a driver signature enforcement overrider tool to register the driver file directory directly while operating under "Test Mode". 3. Reinstall and Manually Match the Driver
| Cause | Description | |-------|-------------| | | The vusbbus.sys or hardlock.sys driver is not installed or is damaged. | | Driver signature enforcement | Windows 10/11 blocks the unsigned or legacy virtual bus driver. | | Conflicting license managers | A newer CodeMeter or another Sentinel HASP installation overwrites the virtual bus driver. | | Corrupted registry entries | The driver’s service entry (e.g., HaspNT or VUSBBus ) is missing or disabled. | | Network license server mismatch | The client cannot reach the license server’s virtual bus endpoint due to firewall or version mismatch. |
Uninstall the Aladdin/Sentinel USB drivers from the Control Panel, restart the computer, and install the latest drivers from the official Thales (formerly Aladdin) website. Summary of Solutions Probable Cause Virtual USB Bus Yellow Icon Driver Signature Error Use DSEO to sign multikey.sys Mastercam Process Runs but No GUI Corrupt User Profile Create new Windows User Profile "HASP Not Found" Driver/USB Conflict Reinstall Aladdin Drivers & unplug 3D mice Error Code 39 or 52 Windows Signature Policy Disable Driver Signature Enforcement