Qualcomm Bluetooth Adapters won't function correctly if it is facing error code 43 as it indicates a malfunction with the device drivers.

At times, the code 43 USB error on Windows 10 can be due to the fast startup feature. While this feature improves your PC startup time considerably, it can sometimes lead to issues.

Code 43 error is a failure that prevents USB devices from working and occurs when it conflicts with Windows. It is usually related to the use of flash drives, such as an external HD or pen drive.

The Code 43 error in the device manager indicates that Windows found an error with a USB device, and has therefore shut it down for usage within the operating system.

Windows has stopped this device because it has reported problems. (Code 43) error In Device Manager. Find out how to troubleshoot the error on Windows.

Learn how to fix the “Windows has stopped this device (Code 43)” error in Windows 11 (2025). Updated methods include driver fixes, USB power settings, SFC, DISM ...

Have you ever encountered the 'Unknown USB Device (Set Address Failed)' error when plugging in a removable device? Well, we've all been there.