As technology continues to advance, users of Windows 11 can experience various issues with their operating system. One common issue that users of Windows 11 may encounter is the message “Windows Security has stopped working”. This error message can be frustrating, but fortunately, there are ways to fix it.

The issue of Windows Security not working can be caused by several factors. One possible cause is that the Windows Security service may be disabled. This service is responsible for protecting your computer against malicious software and other security threats. If it is disabled, your computer may become vulnerable.

Another possible cause of the error message is updates not being installed. The Windows 11 operating system is designed to automatically update, but sometimes this process can stall or fail. As a result, updates may not be installed correctly, which can cause various issues, including the Windows Security problem.

Here are some solutions that can help fix the Windows Security issue on your Windows 11 operating system:

1. Restart your Computer – This is the simplest solution that often solves the problem. Try restarting your computer and check if the issue is resolved.

2. Check Windows Security Settings – Ensure that the Windows Security service is enabled in the Settings app. Go to Settings > Update & Security > Windows Security and check if “Real-time protection” is set to “On”.

3. Reset Windows Security – If the issue still persists, try resetting Windows Security. To do so, go to Settings > Update & Security > Windows Security > Firewall & Network protection > Restore settings to their default values.

4. Install Windows Updates – Check if any updates are pending and install them. To do so, go to Settings > Update & Security > Windows Update > Check for Updates.

5. Run SFC and DISM Commands – SFC (System File Checker) and DISM (Deployment Image Servicing and Management) are two commands that can help restore damaged Windows files. Open Command Prompt as an administrator and enter the command “sfc /scannow”. Once it’s done, enter the command “DISM /Online /Cleanup-Image /RestoreHealth”.

6. Use a Windows 11 Optimization Tool – There are optimization tools available that can help fix Windows 11 errors, including the Windows Security issue. These tools can help clean up your computer and optimize its performance.