Windows 10 has a UWP app for its Camera that you can use to take pictures and videos. However, if you suddenly encounter an error code 0xa00f4243 while using the Camera UWP app, then you’ve come to the right place as this post will provide some potential fixes that you can use to fix the problem.

This kind of error could be due to a an outdated or corrupted driver or a third party program. When this error appears on the Camera UWP app, you will see the following error message:

“Close other apps. It looks as though another app is already using the camera. If you need it, here’s the error code: 0xA00F4243 (0xC00D3704)”

To fix the error code: 0xA00F4243 (0xC00D3704) in the Camera UWP app, you can try to run the Windows Store Apps troubleshooter or reset the Camera app or update or reinstall the driver or apply some tweaks in the Registry Editor. In addition, you can also try checking the Windows Services or run the System File Checker.

Option 1 – Try to run the Windows Store Apps troubleshooter

The Windows 10 Store Apps Troubleshooter will help you in fixing the Camera UWP app error code: 0xA00F4243 (0xC00D3704). This is a great built-in tool from Microsoft that helps users fix any app installation issues. So this is worth a try to solve the problem. This built-in tool also helps you fix the Windows 10 Store if it isn’t working.

To use the Windows Store Apps Troubleshooter, follow the steps below.

  • Tap Win + I keys again to open the Windows Settings panel.
  • Go to Update & Security and then go to Troubleshoot.
  • Under the Troubleshoot section, on your left hand side, scroll down to find Window Store Apps.

  • Then click on Run the troubleshooter option and follow the on-screen instructions and then see if it fixes the problem.

Option 2 – Try to reset the Camera app to fix

As pointed out earlier, you can also reset the Camera app to fix the error. To do so, follow the steps below.

  • The first thing you have to do is go to the My Pictures folder under the C:\ drive of the File Explorer and then delete the Camera Roll folder.
  • Once you’re done, right click on an empty area on your screen and create a new folder and name it “Camera Roll”.
  • Then from the Start menu open the Settings app and select System.
  • From there, navigate to the Apps and features section.
  • Now go to Camera and click on the Advanced Options and click the Reset button.

Option 3 – Try to reinstall the drivers for the Camera app

You might want to reinstall the Camera drivers as it could resolve the problem. To do so, refer to these steps:

  • First, boot your computer into Safe Mode.
  • After that, tap the Win + R keys to launch Run.
  • Type in devmgmt.msc  into the box and tap Enter or click OK to open the Device Manager.
  • After that, a list of device drivers will be displayed. From there, look for the driver listed under the Camera section and then, right click on each entry of the device drivers and select the “Uninstall Device” option from the menu.

  • Now restart your computer.
  • After restarting your computer, go to the Settings app and Check for Updates in the Windows Update section.

Option 4 – Try to use the Registry Editor

  • Tap the Win + R keys to open the Run utility and type “regedit” in the field and hit Enter to open the Registry Editor.
  • After that, navigate to this registry key: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Media Foundation\Platform
  • Here, look for a DWORD named “EnableFrameServerMode” and if you can’t see it, just create a new DWORD by right clicking on any empty space.
  • Then select New > DWORD (32-bit) Value and name it as “EnableFrameServerMode”.
  • Double click on the newly created DWORD and set its Value data to “0” and click on OK.
  • Restart your computer and see if it fixes the Camera UWP app error code: 0xA00F4243 (0xC00D3704).

Option 5 – Try checking the Windows Services

Note that this option only applies to computer with Intel Hardware for the Camera.

  • Tap the Win + R keys to open the Run dialog box and type “services.msc” and hit Enter to open the Services Manager.
  • Next, look for the “Intel(R) RealSense(TM) Depth” service from the list of services and double click on it to open its Properties.
  • After that, change its Startup Type to “Automatic” and make sure it’s running and then click on the Apply and OK buttons to save the changes made.
  • Restart your computer and check if the problem has been resolved.

Option 6 – Try running System File Checker or SFC scan

System File Checker or SFC is a built-in command utility that helps in restoring corrupted files as well as missing files. It replaces bad and corrupted system files to good system files. To run the SFC command, follow the steps given below.

  • Tap Win + R to launch Run.
  • Type in cmd in the field and tap Enter.
  • After opening Command Prompt, type in sfc /scannow

The command will start a system scan which will take a few while before it finishes. Once it’s done, you could get the following results:

  1. Windows Resource Protection did not find any integrity violations.
  2. Windows Resource Protection found corrupt files and successfully repaired them.
  3. Windows Resource Protection found corrupt files but was unable to fix some of them.
  • Reboot your PC.

In addition to the Camera UWP app error code: 0xA00F4243 (0xC00D3704), if have other system-related issues in your Windows 10 computer, there is a one-click solution known as Advanced System Repair you can use. This program is a useful tool that could repair corrupted registries and optimize your PC’s overall performance. Aside from that, it also cleans out your computer for any junk or corrupted files that help you eliminate any unwanted files from your system. This is basically a solution that’s within your grasp with just a click. It’s easy to use as it is user-friendly. For complete set of instructions in downloading and using it, refer to the steps below.

Perform a full system scan using ASR. To do so, follow the instructions below.

  1. Turn on your computer. If it’s already on, you have to reboot

  1. After that, the BIOS screen will be displayed, but if Windows pops up instead, reboot your computer and try again. Once you’re on the BIOS screen, repeat pressing F8, by doing so the Advanced Option shows up.
  1. To navigate the Advanced Option use the arrow keys and select Safe Mode with Networking then hit
  1. Windows will now load the Safe Mode with Networking.
  1. Press and hold both R key and Windows key.

  1. If done correctly, the Windows Run Box will show up.
  1. Type in the URL address in the Run dialog box and then tap Enter or click OK.
  1. After that, it will download the program. Wait for the download to finish and then open the launcher to install the program.
  1. Once the installation process is completed, run ASR to perform a full system scan.

  1. After the scan is completed click the “Fix, Clean & Optimize Now” button.