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Windows Security Not Opening in Windows 11: How to Fix it
Resetting the security app using PowerShell should fix this issue
5 min. read
Updated onAugust 26, 2024
updated onAugust 26, 2024
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When you install Windows 11, Windows Security or Windows Defender becomes the default antivirus and security solution. It is one of the most excellent remedies available, and it is effective in most circumstances.
Nevertheless, one of the most frequently encountered concerns has been that the Windows 11 Windows Security is not opening or functioning as expected after an upgrade or random upgrade.
Why is my Windows Security not opening on Windows 11?
The reasons Windows Security settings are not opening or launching on Windows 11 after upgrading are close to close. Below are the popular reasons:
How can I fix the Windows 11 Windows Security not opening issue?
1. Reset using PowerShell Command
You need to reset the app if Windows Security is not working or Windows Defender is not opening. The command below has worked for many. You can reinstall the app using the second command if resetting does not work.
2. Repair the app
Allow theRepairprocess to finish before rebooting your computer to guarantee your changes are applied. Then, by starting Windows Security, it lets you see if its functionality has been restored.
3. Reset the app
4. Run SFC
The process may take some time to finish, so you may need to restart your computer. SFC will automatically find and restore corrupted files and folders. If that does not help, you can try usingspecialized repair tools, which are much more advanced than Windows built-in tools.
5. Run DISM
Continue to be patient until the process is finished. Be advised that the process could take up to ten minutes to finish. Once you’ve completed this step, restart your computer to ensure the changes take effect.
6. Disable your antivirus
With the fixes above, you should be able to fix the Windows Security not opening on Windows 11 issue. If you want to use a third-party tool, check out our post onfive of the best antiviruses for Windows 11.
Alternatively, you can look at our article onthe best antiviruses with low CPU usage for Windows 11.
If you want to know how to turn onDev Device protection on your Windows 11computer, we have a detailed guide to help you with that.
In case you have more issues, don’t miss our guide on how toreinstall Windows Security on Windows 11for more solutions.
Let us know in the comments section below which solution worked best for you in solving the Windows 11 Windows Defender not working issue and which antivirus software you prefer.
More about the topics:security,Windows 11
Loredana Harsana
Windows Software Expert
Loredana is a passionate writer with a keen interest in PC software and technology. She started off writing about mobile phones back when Samsung Galaxy S II was on top of the world and she fell in love with tech of all sorts.
Whenever she’s not at her work desk, you’ll find her enjoying refreshing tea flavors, spilling stories on paper, and listening to the radio.
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Loredana Harsana
Windows Software Expert
Loredana is a tech enthusiast who tackles mobility, privacy, and networking in easy-to follow guides for everyone.
