Camera doesn't work in Windows - Microsoft Support
If you are using an older version of Windows or a mobile device, please skip to General troubleshooting steps. Run the troubleshooter in Get Help If the Camera troubleshooter in Get Help …
CameraReservedByAnotherApp 0xA00F4243 (0xC00D3704) | Windows …
Open Device Manager Expand Imaging Devices or Cameras Right-click your camera and choose Update driver If issues persist, uninstall and reinstall the driver You can also try switching to …
CameraReservedByAnotherApp 0xA00F4243 (0xC00D3704) | Windows …
Aug 13, 2025 · CameraReservedByAnotherApp error (0xA00F4243 / 0xC00D3704) Comment Use comments to ask for clarification, additional information, or improvements to the question.
How to fix error code 0xA00F4243<CameraReservedByAnotherApp> (0xC00D3704)
Sep 25, 2025 · When I try to open my camera on my Lenovo IdeaPad Flex 14IWL I get the code 0xA00F4243<CameraReservedByAnotherApp> (0xC00D3704). My shutter is open. Device manager …
MY camera is not working - error code 0xA00F4243
Nov 7, 2025 · My camera is not working after several times of uninstalling and reinstalling, it always shows the same ERROR: 0xA00F4243<Camera ReservedByAnotherApp> (0xC00D3704)
My camera is not opening, message is "another app is using it"
Jan 14, 2026 · If you're receiving a message that another app is using your camera, it could be due to several reasons. Here are some steps you can take to troubleshoot the issue: Check for …
Camera Reserved By Another App, Error: 0xA00F4243 (0xC00D3704)
Feb 3, 2021 · I have verified the drivers are up to date, ensured privacy settings are enabled, formed an SFC scan, reset the camera app, and tried all troubleshooters. As far as I can tell, there are no other …
Camera not working and getting error code - Microsoft Q&A
May 19, 2021 · My camera all of a sudden will not work. I keep getting an error code 0xA00f4243<CameraReservedByAnotherApp> (0xc00D3704) I've tried all of the troubleshooting I …
Camera errors after recent update - Microsoft Q&A
Oct 2, 2024 · I am getting this error: Camera Reserved By Another App, Error: 0xA00F4243 (0xC00D3704) but there are no other apps running according to my task manager. How do I get my …
Error code 0xA00F4243 Camera reserved by another app
Feb 2, 2026 · Use the Camera App: Open the built-in Camera app to check if the camera works there. If it doesn't, there may be a hardware issue or a driver issue. Check for Windows Updates: Make sure …