What is ‘Cannot open Windows Security’ in Windows 11?
In this article, we are going to discuss on “How to fix Windows 11 cannot open Windows Security”. You will be guided with easy steps/methods to resolve the issue. Let’s starts the discussion.
‘Windows Security’ or ‘Windows Defender’ antivirus: Windows 11’s built-in antivirus or default antivirus and security solution is ‘Windows Defender’. There is no additional antivirus software required to secure your Windows 11 computer against malware or threats. However, some popular and powerful third-party security software also offers you to remove all kinds of threats and provide high-level system security.
However, several users reported they faced ‘Windows 11 cannot open Windows Security’ issue when you try to open run Windows Defender antivirus software in your Windows 11. This issue indicates you are unable to launch Windows Defender antivirus software in computer for some reasons. There could be several reasons the issue including corruption in system files or hard disk system images, issue with Windows Security app itself and other issues in your Windows computer.
It might possible your third-party antivirus software installed in computer is blocking Windows Defender antivirus software for some reasons. You can fix the issue by disabling your third-party antivirus software in computer. Let’s go for the solution.
How to fix Windows 11 cannot open Windows Security?
Method 1: Fix ‘Windows 11 cannot open Windows Security’ with ‘PC Repair Tool’
‘PC Repair Tool’ is easy & quick way to find and fix BSOD errors, EXE errors, DLL errors, problems with programs/applications, malware or viruses issues, system files or registry issues, and other system issues with just few clicks.
Method 2: Uninstall and reinstall Windows Security
This issue can be occurred due to corrupted Windows Security in your computer. You can uninstall and reinstall it in order to fix the issue.
Step 1: Press ‘Windows + X’ keys on keyboard and select ‘Windows PowerShell (Admin)’
Step 2: Type the following command and hit ‘Enter’ key to execute
Set-ExecutionPolicy Unrestricted
Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}
Step 3: It will ensure development mode for any of the apps is turned OFF. Once done, launch Windows Security and check if it works
Method 3: Reset Windows Security App
Resetting Windows Security App can resolve the issue. Let’s try.
Step 1: Open ‘Settings’ App in Windows 11 via Windows Search Box and go to ‘Apps > Apps & Features’
Step 2: Find and select ‘Windows Security’, and click ‘Advanced Options’. Click ‘Reset’ button and confirm resetting process. Once done, restart Windows Security and check if it works for you.
Method 4: Run SFC Scan and DISM Scan
You can run SFC scan and DISM scan to repair corrupted system files and corruption in hard disk system images in order to fix this error.
Step 1: Type ‘cmd’ in Windows Search Box and press ‘SHIFT + ENTER’ keys on keyboard to open ‘Command Prompt as Administrator’
Step 2: Type the following commands one-by-one and hit ‘Enter’ key after each to execute
sfc /scannow
Dism /Online /Cleanup-Image /RestoreHealth
Step 3: Once executed, restart your computer and check if it works for you.
Method 5: Disable or uninstall third-party antivirus software
This issue can be occurred due to interference of your third-party antivirus software installed in your computer. You can try to fix the issue by disabling third-party antivirus software. If disabling antivirus didn’t work for you, you can uninstall your third-party antivirus completely in computer in order to fix the issue.
Method 6: Reset Windows 11
If the issue is still persist, you can perform Windows 11 OS reset in order to fix the issue.
Step 1: Open ‘Settings’ App in Windows 11 and go to ‘System > Recovery > Reset PC’ and click ‘Get Started’ button
Step 2: Select ‘Keep my files’ or ‘Remove Everything’ option and follow on-screen instructions to finish resetting. Once done, restart your computer and check if the issue is resolved.
Conclusion
I am sure this post helped you on How to fix Windows 11 cannot open Windows Security with several easy steps/methods. You can read & follow our instructions to do so. If the post really helped you, then you can share the post with others to help them. That’s all. For any suggestions or queries, please write on comment box below.
