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

by Matthew Adams
Matthew Adams
Matthew Adams
Windows & Software Expert
Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things... read more
Affiliate Disclosure
  • The error 0xa00f4243 usually happens due to software problems and conflicts.
  • Update the webcam driver to make sure you're using the latest firmware to fix the error.
  • Close the running apps with the Task Manager to make sure there is no conflicting issue.
  • You could also perform a clean boot and reset the camera software to get rid of the message.
webcam error code 0xa00f4243

To fix various PC problems, we recommend Restoro PC Repair Tool:
This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues and remove viruses now in 3 easy steps:

  1. Download Restoro PC Repair Tool that comes with Patented Technologies (patent available here).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues affecting your computer's security and performance
  • Restoro has been downloaded by 0 readers this month.

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.

Why am I getting Windows 10 camera reserved by another app message?

Many Lenovo and Dell users reported Camera is being used by another app message, but this problem can appear on any PC or laptop brand.

Error 0xa00f4292 can also appear, if your device drivers are out of date, so you might want to try updating them to fix this problem.

Other messages such as Something went wrong camera error, are less descriptive, but there are ways to fix this problem, and this guide will show you how to do it.

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

  1. Press the Win Key + S and search for Device Manager.
  2. Search for the webcam driver.
  3. Right-click on it and select Update driver.
  4. Wait for the driver to update.

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 driver updater software.

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

Update drivers automatically

Expert Tip: Some PC issues are hard to tackle, especially when it comes to corrupted repositories or missing Windows files. If you are having troubles fixing an error, your system may be partially broken. We recommend installing Restoro, a tool that will scan your machine and identify what the fault is.
Click here to download and start repairing.

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

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

Most of the time, the generic drivers for your PC’s hardware and peripherals are not properly updated by the system.There are key differences between a generic driver and a manufacturer’s driver.Searching for the right driver version for each of your hardware components can become tedious. That’s why an automated assistant can help you find and update your system with the correct drivers every time, and we strongly recommend DriverFix. Here’s how to do it:

  1. Download and install DriverFix.
  2. Launch the software.
  3. Wait for the detection of all your faulty drivers.
  4. DriverFix will now show you all the drivers that have issues, and you just need to select the ones you’d liked fixed.
  5. Wait for the app to download and install the newest drivers.
  6. Restart your PC for the changes to take effect.


Keep your PC components drivers working perfectly without putting your PC at risk.

Free trial
Visit website

Disclaimer: this program needs to be upgraded from the free version in order to perform some specific actions.

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 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.
  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 below.
  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.

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.
  6. 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.
  3. Select Camera and click Advanced options.
  4. Press the Reset button, and select Reset again to confirm.
  5. Reset the camera app.

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 in our great list of the best webcam software that you can utilize.

Feel free to give us any feedback regarding the subject and your experience with the products in the comment section below.


idee restoro Still having issues? Fix them with this tool:
  1. Download this PC Repair Tool rated Great on (download starts on this page).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues with Patented Technologies (Exclusive Discount for our readers).

Restoro has been downloaded by 0 readers this month.

Frequently Asked Questions

This article covers:Topics: