Hi Gian, Thank you for choosing Windows 10 Technical Preview. Error code 31 occurs since the device is not working properly because Windows cannot load the drivers required for this device. I would suggest you to follow the steps provided below and check if it helps. Behringer Bcd2000 Driver Windows 10. Method 1: Run Hardware and Devices troubleshooter. Follow these steps to run Power troubleshooter.

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Press Windows key + W and type troubleshooting. Select Troubleshooting.

Select view all on the top left corner. Run Hardware and Devices troubleshooter. If the above method does not fix the issue, the follow method 2. Method 2: I would suggest you to uninstall all the USB drivers listed in device manager and then restart your computer. Follow these steps to uninstall the USB drivers. Press Windows key + X key and click on Device manager.