Fix Code 43 Error: Windows Has Stopped This Device Because It Has Reported Problems

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If you have another computer to test this on, be sure to try this before moving on to the more complicated steps below.


Did you install a device or make a change in Device Manager just before the Code 43 error appeared? If so, it's possible that the change you made caused the Code 43 error. Undo the change if you can, restart your PC, and then check again for the Code 43 error.

Depending on the changes you made, some solutions might include:

Removing or reconfiguring the newly installed device

Disable the device and then re-enable it. This step provides Windows with a chance to take a fresh look at configuring the device.

This might sound like a very simple fix, and that's because it is. However, this procedure might be all the computer needs to correct the Code 43 error.


Reinstall the drivers for the device. Uninstalling and then reinstalling the drivers for the device is a possible solution to a Code 43 error.


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. This includes any USB Mass Storage Device, USB Host Controller, and USB Root Hub.


Properly reinstalling a driver, as in the instructions linked above, is not the same as simply updating a driver. A full driver reinstall involves completely removing the currently installed driver and then letting Windows install it over again from scratch.


Update the drivers for the device. It"s also possible that installing the latest drivers for the device could correct the Code 43 error.

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If updating the drivers does remove the Code 43 error, it means that the stored Windows drivers you reinstalled in Step 4 were probably damaged or were the wrong drivers.


Install the latest Windows service pack. One of Microsoft"s service packs or other patches for Windows might contain a fix for whatever might be causing the Code 43 error, so if you"re not fully updated, do so now.


Update BIOS. In some situations, an outdated BIOS could be causing a specific issue with a device that"smaking it report a problem to Windows—thus the Code 43 error.


Replace the data cable that connects the device to the computer, assuming it has one. This potential fix for a Code 43 error is most often useful if you're seeing the error on an external device like a USB or FireWire device.


Purchase a powered USB hub if the Code 43 error is showing up for a USB device. Some USB devices need more power than the USB ports that are built into your computer can provide. Plugging those devices into a powered USB hub solves that challenge.


Replace the hardware. A problem with the device itself might be causing the Code 43 error, in which case replacing the hardware is your next logical step. In most cases, this is the solution to a Code 43 error but try the easier, and free, software-based troubleshooting ideas first.


If you"re positive that a hardware problem isn"t causing the Code 43 error, you could try a repair install of Windows. If that doesn"t work, try a clean install of Windows. We don"t recommend doing either before you replace the hardware, but you may have to give them a try if you"re out of other options.


Another possibility, while not very likely, is that the device is incompatible with your version of Windows. You can always check the Windows HCL to be sure.