Hello, Guys welcome back here you will learn How to Fix Windows Security Not Opening or Working on Windows 11. Windows Security (also known as Windows Defender) is a dependable Microsoft software that offers real-time antivirus and malware protection for your computer. While you may use Windows Security to monitor the device’s performance and health on a regular basis, the app may occasionally fail to open or work.
When you try to open Windows Security, it may display a variety of weird errors. For example, it may propose that you install a new programme in order to access the Windows Defender link. The Windows Security window appears for a brief moment before closing. If restarting your computer does not resolve the issue, proceed to the troubleshooting steps listed below.
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So, before you switch to a third-party antivirus product, we recommend that you first try these troubleshooting steps to resolve the Windows Security not working issue on Windows 11 on your own.
1. REPAIR OR RESET WINDOWS SECURITY
Windows 11 has a helpful repair tool for repairing apps on your PC. It can identify and resolve minor issues with the app on its own.
Step 1: Open the Start menu, type Windows Security, and click on App Settings.
Step 2: Scroll down to the Reset section and click on the Repair button.
After then, check to see if you can use the app. If the problem persists, repeat the steps above to Reset the app. This restores all app settings to their default values, fixing any difficulties caused by incorrect configuration.
2. RESTART THE SECURITY CENTER SERVICE
The Security Center Service is an application that is launched every time your computer boots up. If that service fails to start properly or was turned off, you may have difficulty accessing the Windows Security app.
Step 1: Press Windows key + R to open the Run dialog. Type services.msc and press Enter.
Step 2: In the Services window, you’ll find all the services arranged in alphabetical order on your PC. Scroll down to locate Security Center. Right-click on it and select Restart.
After that, check to see if Windows Security is working fine.
3. RUN AN SFC & DISM SCAN
If you’re having problems with other apps and programmes on Windows 11, it’s possible that certain system files on your computer are corrupted or missing. You can restore those files using their cached version by conducting a System File Checker scan. This is how.
Step 1: Press Windows key + X and select the Windows Terminal (admin) option from the resulting menu.
Step 2: Type in the command mentioned below and hit Enter.
sfc /scannow
After finishing the scan, you’ll get a notice indicating whether or not the scan was successful. If so, restart your computer and try again with the Windows Security programme.
If the SFC scan failed to find any problems, or if the problem remains after the scan, try running a DISM (Deployment Image Servicing and Management) scan instead. In addition to scanning system files, it may download internal system files from Microsoft’s server if necessary. As a result, ensure sure you’re connected to the internet.
Run the following commands in Windows Terminal with administrative access.
DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth
Once done, restart your PC and see if the issue is resolved.
4. UNINSTALL THIRD-PARTY ANTIVIRUS PROGRAM
It’s critical to understand that Windows 11 does not enable you to run two antivirus apps at the same time. To avoid such conflicts, if you’ve installed any third-party antivirus products on your PC, it’s preferable to uninstall them.
5. TRY CLEAN BOOT
Aside from antivirus software, third-party apps and services running on your PC might occasionally disrupt Windows operations and prevent the Windows Security app from functioning properly. A clean boot is a fast way to confirm this.
Step 1: Press the Win + R to open the Run dialog, type msconfig.msc, and press Enter.
Step 2: Under Services, mark the Hide all Microsoft services box. Then click Disable all button.
Step 3: Next, switch to the Startup tab and click on Open Task Manager.
Step 4: Under Startup, select a program and click on Disable. Repeat this step until you disable all the programs.
As it restarts, your PC will boot without any third-party software or services. If Windows Security is running normally during the clean boot, you’ll need to go through and uninstall any recently installed apps and programmes.
To return to regular mode, repeat the steps above to activate all Startup programmes and services and reboot your computer.
6. UPDATE WINDOWS 11
Any operating system must be updated on a regular basis. These upgrades include bug fixes in addition to new features and security patches. You can try downloading and installing any available updates to see if that addresses the problem.
Navigate to the Windows Update area of the Settings app to see whether there are any outstanding updates.
7. Disable and Uninstall Third-Party Security Tools
As a reminder, you cannot run two antivirus programmes on your PC at the same time. It’s recommended to disable any third-party antivirus software you’re using. If the problem remains, turn off your third-party firewall, anti-malware software, and so on. Check to see if there have been any improvements. If you still can’t launch Windows Security, uninstall any third-party security software and reinstall it.
SECURITY MADE EASY
With the passage of time, Windows Security has vastly improved. While such flaws with the app can endanger your safety, they are easily remedied using the techniques listed above.