8 Ways to Fix “All Cameras Are Reserved” Error in Windows 10/11

Without warning, you may get the “All cameras are reserved” error when trying to access your camera. And, of course, this happens before an important online meeting.

So, if you need to fix the error quickly, follow the instructions below.

1. Restart your computer

You may get the “All cameras are reserved” error due to a temporary issue. In this case, restarting your computer may be enough to fix it.

If you still can’t use your camera after restarting, check if there are any pending Windows updates. Go to Settings > Windows Update and make sure your system is up to date.

2. Update the Camera app

You need to update the app to the latest version to keep your camera working properly. For Windows app, launch Microsoft Store and go to Library. Then click Get updates. Windows will now install available updates for your apps, including your camera.

Sometimes you cannot access the camera because an app running in the background is already using it. Hurry Ctrl + Shift + Esc to launch Task Manager and open the Process tongue. There, locate and terminate any process that you think may be accessing the camera without your permission.


4. Check camera permissions

Apps need proper permission to access your camera, which may lead to a conflict, and you will get the “All cameras are reserved” error. Here is how you can change camera permissions in Windows 11:

  1. Right click on the Begin button and open Settings.
  2. Select Privacy and Security and head to App permissions.
  3. There, click Camera.
  4. Enable the toggle for apps that should be allowed to access the camera.
  5. Restart your computer and check if the “All cameras are reserved” error is now gone.

5. Run Camera Troubleshooter

If you still can’t access your camera, let’s give the Windows 11 troubleshooter a chance to fix the problem. Follow these steps to run the camera troubleshooter:

  1. Hurry Windows key + I to display Windows settings.
  2. Head toward System > Troubleshooting > Other Troubleshooters.
  3. Of Otherclick it To run button next to Camera.

6. Update Camera Driver

Sometimes Windows 11 shows “All cameras are reserved” error due to corrupted or outdated camera driver. Luckily, you can use Device Manager to update the driver. Here’s how:

  1. Right click on the Begin button and select Device Manager.
  2. extend the Cameras listing.
  3. Right-click on the driver and choose Update driver.
  4. Click on Automatically search for drivers.

Restart your computer and check if the Camera app is working now. If you are using an external camera, you can go to the manufacturer’s website and download the latest driver or use a free driver updater to avoid any future issues.

7. Repair the app

If the “All cameras are reserved” error isn’t the only issue you’ve observed while using the camera app, you should try fixing it. This way, Windows will replace any damaged or corrupted system files causing the application to malfunction.


  1. Open the Windows Settings menu.
  2. Go to Apps > Apps and Features.
  3. Click it three points icon next to Camera and select Advanced options.
  4. Scroll down and click on the Repair button.

Once Windows has completed the process, try to relaunch the camera. If you still get the same error, follow the steps above again, but this time click Reset. This will return the camera app to its default settings.

8. Install a third-party app

If you have tried everything and you still get the same error when you try to open the camera, you need to install a third-party app so you can still participate in video calls. The good news is that third-party camera apps for Windows usually have more features and customization options.

Turn your camera back on

These tips will help you when you encounter the “All cameras are reserved” error. If you don’t want to be taken by surprise anymore, you can test your camera a few days before a big meeting and make sure everything is working.

Now that your camera is up and running again, you can try out exciting new ways to use it.


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Steven L. Nielsen