How to fix webcam error code 0xa00f4243(0xc00d3704)

Matthew Adams
by Matthew Adams
Windows & Software Expert
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  • Error 0xa00f4243 is usually due to conflicting software, this is why a clean boot might fix the issue. 
  • In this article, you will find a few of the best resolutions for fixing error 0xa00f4243. 
  • For other similar issues, go ahead and check out our Webcam Troubleshooting Hub.
  • Visit our Laptop & PC Hub for other troubleshooting guides  on issues affecting your devices

Webcam error 0xa00f4243 arises for some users when they try to utilize their webcam with Windows 10‘s Camera app.

The error message states:

Close other apps… It looks like another app is using the camera already. If you need it, here’s the error code 0xA00F4243.

Consequently, uses can’t utilize their webcams with cameras. These are a few potential resolutions for users who need to fix error 0xA00F424.

How do I fix webcam error 0xa00f4243?

  1. Update the webcam’s driver
  2. Close apps with Task Manager
  3. Clean Boot Windows
  4. Turn off other apps that utilize the webcam
  5. Reset the Camera App

1. Update the Webcam’s Driver


Some Camera users have also stated that they’ve fixed error 0xa00f4243 by updating the webcam driver. Users can do that more quickly by utilizing DriverFix.

While there is always the alternative of using Windows Update, it doesn’t always find your dedicated drivers and installs generic ones instead.

DriverFix automatically update drivers

More so, Manually updating drivers from each manufacturer’s website can be downright boring.

However, DriverFix will make that operation much simpler, allowing you to identify, download, and install the right drivers with just a click of a button.



This lightweight and portable tool will detect all of your missing drivers by itself, and update them as soon as possible.
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2. Close apps with Task Manager

  1. Right-click Windows 10’s taskbar and select Task Manager on the menu.
  2. Task Manager’s Processes tab lists apps and background services that are consuming system resources. Select all software listed under the Apps heading.
  3. Then press the End task button to close the selected app.
  4. In addition, close camera app services listed under Background processes.
    • For example, some users might find numerous Skype app services, such as Skype Bridge, under Background processes.task manager processes webcam error

The 0xa00f4243 error message drops a big hint by stating: Close other apps… It looks like another app is using the camera already.

That hint suggests the issue is primarily due to conflicting software. So, try closing some other apps that might be utilizing the webcam.

3. Clean Boot Windows

  1. First, right-click the Start button and select Run.
  2. Input MSConfig in a Run window and click OK to open the System Configuration window.system configuration webcam error code 0xa00f4243
  3. Click the Selective startup radio button on the General tab.
  4. Uncheck the Load startup items check box to remove third-party software from the startup.
  5. Select the Use original boot configuration and Load system services settings under the Selective startup radio button.
  6. Click Services to open the tab shown in the snapshot directly webcam error code 0xa00f4243
  7. Click the Hide all Microsoft services checkbox.
  8. Then select the Disable all option, and press the Apply button.
  9. Click the OK button.
  10. Select the Restart option on the System Configuration dialog box that pops up. restart button webcam error code 0xa00f4243

As error 0xa00f4243 is usually due to conflicting software, a clean boot might fix the issue. A clean boot is a Windows startup configured to exclude third-party software and services.

4. Turn off other apps that utilize the webcam

  1. Click the Type here to search button on the taskbar to open Cortana.
  2. Input camera as the search keyword.
  3. Click Camera privacy settings to open Settings as shown directly below.
  4. First, make sure the Allow apps to access your camera setting is on.
  5. Scroll down the window and turn off the apps that utilize the webcam. However, leave the Camera app on.

Users can also select to turn off other apps that utilize the webcam via the Settings app. That will ensure Camera is the only app utilizing the webcam, which should be enough to fix error 0xa00f4243 for most users.

5. Reset the Camera App

  1. Enter the keyword apps in Cortana’s search text box.
  2. Click Apps & features to open the app list in Settings.apps and features webcam error code 0xa00f4243
  3. Select Camera and click Advanced options. advanced options webcam error code 0xa00f4243
  4. Press the Reset button, and select Reset again to confirm.reset app webcam error code 0xa00f4243

Users can reset apps when they don’t work as they should. Resetting apps resets their data and restores them to default settings. So, resetting the Camera app might also be worth a try for fixing error 0xa00f4243.

Those are a few of the best resolutions for fixing error 0xa00f4243 so that users can utilize their webcams with a Camera. Remember, however, that there are also plenty of third-party software alternatives to the Camera app that users can utilize webcams with.

FAQ: Learn more about the Camera app

  • What is the Camera app in Windows 10?

Windows 10 has an app called Camera that lets you use your webcam to record videos and take photos. Even though there other apps you can use, this default app is definitely better than having to download 3rd party untrusted software.

  • How do I change picture quality for my Camera app in Windows 10?

In the Search bar type Camera and press Enter. Select photo or video mode and go to the Settings menu. From the dropdown list select the photo quality that fits your needs.

Editor’s Note: This post was originally published in April 2020 and it has been since revamped and updated in October 2020 for freshness, accuracy, and comprehensiveness.

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