If you get UCM-UCSI ACPI Device Driver Error Code 43, it could be because of the driver. UCM-UCSI driver facilitates communication with USB hardware elements.

If a USB device is generating the Code 43 error, uninstall every device under the Universal Serial Bus controllers hardware category in Device Manager as part of the driver reinstall.

Learn how to fix Unknown USB Device, Set address failed error message on Windows 11/10 computers using these working solutions.

Let's look at a few different ways to figure out how to fix the Code 43 errors that prevent you from using hardware devices.

Turning off USB debugging to fix error code 43 on Fate/Grand Order One of the security features of this game is to ensure that no third party hacks are running.

Then I switched it with the USB port being used by my Bluetooth receiver, and then my Bluetooth receiver came up with the "Code 43" while the eHome device was fine.

“Error code 43” usually is associated with the device manager, and means that a Windows stopped a particular device (most commonly a USB device) because the device reported a problem.