My camera is not working after several times of uninstalling and reinstalling, it always shows the same ERROR: 0xA00F4243<Camera ReservedByAnotherApp> (0xC00D3704) Locked Question. You can vote on whether it's helpful, but you can't add comments or replies or follow the question. Ummed khichar • 5 Reputation points 2025-12-17T18:39:10.3066667+00:00 my camara not working 20+ votes my camara not working Deleted This comment has been deleted due to a violation of our Code of Conduct. The comment was manually reported or identified through automated detection before action was taken. Please refer to our Code of Conduct for more information. This comment has been deleted due to a violation of our Code of Conduct. The comment was manually reported or identified through automated detection before action was taken. Please refer to our Code of Conduct for more information. Saniya Ansari • 0 Reputation points 2026-02-07T12:07:18.1166667+00:00 my camera is not working too 10+ votes my camera is not working too AI answer 2025-11-07T10:29:07.12+00:00 The error code 0xA00F4243 indicates that the camera is reserved by another application. This can happen if another application is using the camera or if the camera is not properly released by a previous application. Here are some steps you can take to resolve this issue: Close Other Applications : Ensure that no other applications are using the camera. Check for any background applications that might be accessing the camera and close them. Restart Your Device : Sometimes, simply restarting your computer can release the camera from being reserved by another application. Check Camera Permissions : Go to the camera settings in Windows and ensure that the applications you want to use the camera with have permission to access it. Update Camera Drivers : Ensure that your camera drivers are up to date. You can do this through Device Manager by right-clicking on your camera and selecting "Update driver." Check for Conflicting Software : Some software, like virtual camera applications or video conferencing tools, can conflict with the camera. Try uninstalling or disabling such software to see if it resolves the issue. Reinstall Camera Drivers : If the issue persists, you may need to uninstall the camera drivers completely and then reinstall them. You can do this through Device Manager by right-clicking on your camera and selecting "Uninstall device," then restarting your computer. If none of these steps resolve the issue, you may need to consult the documentation for your specific camera or contact support for further assistance. References: Camera Driver Test - MultiCamera Preview, Record H.264 Video and AAC Audio Network cameras AI-generated content may be incorrect. Read our transparency notes for more information. The error code 0xA00F4243 indicates that the camera is reserved by another application. This can happen if another application is using the camera or if the camera is not properly released by a previous application. Here are some steps you can take to resolve this issue: Close Other Applications : Ensure that no other applications are using the camera. Check for any background applications that might be accessing the camera and close them. Restart Your Device : Sometimes, simply restarting your computer can release the camera from being reserved by another application. Check Camera Permissions : Go to the camera settings in Windows and ensure that the applications you want to use the camera with have permission to access it. Update Camera Drivers : Ensure that your camera drivers are up to date. You can do this through Device Manager by right-clicking on your camera and selecting "Update driver."

Check for Conflicting Software : Some software, like virtual camera applications or video conferencing tools, can conflict with the camera. Try uninstalling or disabling such software to see if it resolves the issue. Reinstall Camera Drivers : If the issue persists, you may need to uninstall the camera drivers completely and then reinstall them. You can do this through Device Manager by right-clicking on your camera and selecting "Uninstall device," then restarting your computer. If none of these steps resolve the issue, you may need to consult the documentation for your specific camera or contact support for further assistance. Camera Driver Test - MultiCamera Preview, Record H.264 Video and AAC Audio Network cameras AriE • 0 Reputation points 2026-02-23T01:24:27.3766667+00:00 my camera is not working, pless help 0 comments No comments my camera is not working, pless help Estrella721 • 45,810 Reputation points • Independent Advisor 2025-11-07T11:01:54.9066667+00:00 Hi, When was the last time your camera worked properly? What is the make and model of your device? In the search bar, type MSINFO32 and press Enter. Please share a screenshot of that window. Press Windows + X and choose Device Manager. Click View > Show hidden devices. Expand Camera Section. Take a screenshot and share it here. 0 comments No comments When was the last time your camera worked properly? What is the make and model of your device? In the search bar, type MSINFO32 and press Enter. Please share a screenshot of that window. Press Windows + X and choose Device Manager. Click View > Show hidden devices. Expand Camera Section. Take a screenshot and share it here. Kapil Arya • 38,361 Reputation points • Volunteer Moderator 2025-11-07T17:21:28.34+00:00 Try this: Go to Settings > Privacy & security > Camera. Check the last accessed info for apps. This will show you the apps accessing camera. You can terminate or close the apps to resolve issue. 0 comments No comments Go to Settings > Privacy & security > Camera. Check the last accessed info for apps. This will show you the apps accessing camera. You can terminate or close the apps to resolve issue.