Issue: How to fix 0xA00F429F
Hello. I recently tried to use my camera on a Windows laptop but I received a 0xA00F429F WindowShowFailed error. How do I get rid of it?
Windows is one of the most popular operating systems among home users and businesses. Since the pandemic started, many people switched to working from home. Online meetings are becoming more and more common. For this, workers need properly working webcams.
Unfortunately, some users run into issues when trying to use their external or integrated cameras. People report seeing the 0xA00F429F WindowShowFailed camera error. It can be caused by multiple things. Usually, it shows up when people try to use the camera after upgrading the operating system. The error is known to appear on Windows 10 and 11.
One of the solutions that should help people fix the 0xA00F429F<WindowShowFailed> error is resetting or reinstalling the Windows Camera app. Users may also be unable to use their cameras because of missing or outdated drivers. In this guide, you will find 5 steps that should help you fix this issue.
Manual troubleshooting can be a lengthy process, so you can also try using a maintenance tool like ReimageMac Washing Machine X9 to scan your machine. It can fix most system errors, BSODs, corrupted files, and registry issues. Otherwise, follow the step-by-step instructions below.
Solution 1. Reset the Windows Camera App
If the problem is related to the Camera app, you can first reset it by following the instructions here:
- Open Settings from the Start menu or by pressing the Windows key + I
- Click on Apps > Apps & features and look for Camera from the list
- Then click on the Advanced options link
- Scroll down and click the Reset button to reset the app
Solution 2. Reinstall the Windows Camera App
You can also reinstall the app using a PowerShell command:
- Press the Windows key + X, then choose Windows PowerShell (Admin) from the menu
- Execute the following command in the PowerShell window:
Get-AppxPackage *camera* | Remove-AppxPackage
Solution 3. Edit the Registry
This worked for several Windows users but remember that editing the registry may cause irreversible changes to your computer, so proceed with caution:
- Press the Windows key + S, then search for Registry Editor
- Navigate to the following key:
Computer\HKEY_LOKAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Media Foundation\Platform
- Right-click on the right pane, then choose New > DWORD (32-bit) Value
- Type in EnableFrameServerMode under Value name
- Double-click the newly created EnableFrameServerMode entry
- Under Value data, type in 0 with the base value as Hexadecimal
- Click OK to save your changes
- Restart your computer and check if the camera is now working.
Solution 4. Reset Permissions
If you upgraded to Windows 10/11 or installed a major system update recently, you might need to allow your applications again to use the camera. Follow the steps below:
- Click Start, then Settings
- Click on Privacy, and choose Camera
- In the list of apps, choose the applications you want to allow access to your camera by toggling the switch to On
- If the switch is grayed out, click Allow access to the camera on this device
- Restart your computer
Solution 5. Reinstall Camera Driver
If the older camera driver does not work well with the updated version of Windows 10/11, you can check the manufacturer’s website for the latest version of the camera driver and install it on your computer. If you want an automatic solution, you can use a dedicated utility like DriverFix. It can find the best drivers for your system and install them. You can also uninstall the driver and replace it with the basic driver from Microsoft:
- Go to the Device Manager
- Locate your Camera driver
- Click on it and choose Uninstall
- Restart your computer and see if it is working
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