How to Fix Windows Has Stopped this Device Code 43 Error

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Introduction

Sometimes you may receive “Windows has stopped this device code 43” error. This error is likely to come up when you plug in a USB device into your computer.

9 out of 10 times, this error is caused by improperly ejected devices. My first two recommended fixes will address this.

Some other time, code 43 windows error may be because your device has an outdated driver. Code 43 windows error may also come up if your Operating System is not running the latest Windows update.

This guide presents 5 fixes for “Windows has stopped this device code 43”.

The recommended fixes are based on the know causes of this error. Most of the fixes have also resolved this error for so many other Windows users.

Available options to Fix “Windows has stopped this device code 43”

Here are my 5 fixes for “Windows has stopped this device code 43” error:

1
Properly Eject the USB Device

windows has stopped this device code 43

To properly eject the device:

  • Plug the USB device into another computer and wait for the device to be completely detected.
  • Then click the Safely Remove Hardware and Eject Media icon.
  • Finally, click Eject Flash Disk…or whatever your USB device displays.
windows has stopped this device code 43
  • Once the USB device is properly ejected in another computer, plug it back into the original computer. It should work without errors unless there is something else wrong with the device.

If your device is still showing error code 43, try the next fix.

2
Unplug all Devices from Your PC and Restart it

The steps described below have proven to fix this error for so many Windows users:

  • Unplug all devices from your computer. Nothing should be connected to the computer including mouse.
  • Shutdown the computer.
  • If it is a laptop, disconnect the battery
  • Leave the computer off for about 5 minutes
  • Insert the battery back (if it is a laptop)
  • Restart the computer
  • Plug all devices back, one at a time including the USB device that gave error code 43

If the error is still not resolved, try the next fix.

3
Check for and Install Windows Update

Sometimes installing the latest Windows update may resolve “windows has stopped this device code 43”.

We have a guide with steps to check for and install latest Windows 10 updates. For details click this link How to Install Latest Windows 10 Update.

Though this guide is specific to May 2019 Update 1903, the steps can be applied to install the latest updates in Windows 10.

If installing Windows update does not fix “windows has stopped this device code 43”, try the next fix.

4
Reinstall Universal Serial Bus (USB) Controllers

Warning!
If your mouse is connected to your computer via a USB port, performing the steps below will temporally stop your mouse from working. If you are using a laptop, use the mouse pad. For a desktop try to uninstall the USB device driver your mouse is attached to last.

To reinstall USB controllers drivers:

  • Press Windows + R (Windows logon and R key press simultaneously). Run command will open.
  • At the Run command, type devmgmt.msc and press OK to open Device Manager.
  • When Device Manager opens, scroll down until you locate Universal Serial Bus controllers. Expand it to display all installed USB drivers.
  • For each Driver in the list, right-click, then select Uninstall Device. To confirm that you wish to remove the device driver, click Uninstall (see the second image below).
  • Repeat this process until you have removed all the devices under Universal Serial Bus controllers
  • Restart your computer. USB drivers will reinstall automatically.

If reinstalling your USB drivers does not fix “windows has stopped this device code 43”, proceed to the next recommended fix.

5
Disable USB Selective Suspend Setting

This last fix is applicable if you are using a laptop.

Here is my last effort to fix “windows has stopped this device code 43” for you:

  • Type power plan in the Search box, and then select Choose a power plan.
windows has stopped this device code 43
  • Beside your current power setting, click Change plan settings.
windows has stopped this device code 43
  • Then on the Change settings for plan <plan-name> settings, click Change advanced power settings.
  • When Advanced Power option settings opens, expand USB settings. Then expand USB selective suspend setting.
  • Finally, if On battery is Enabled, click Enabled and select Disabled. To save your changes, click Apply.

Hopefully this last fix resolves “windows has stopped this device code 43” for you!

Conclusion

I am very confident that one of the 5 methods in this guide have fixed “windows has stopped this device code 43” for you.

It will be great to know which of them fixed the error for you. To share your feedback use the “Leave a Reply” form found at the end of this page.

Enjoyed this? Then get more Windows 10 fixes from our Windows 10 Support page.

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