Windows Security Center (or Windows Defender) is a comprehensive security control panel containing basic system security information. Some users find it is missing from the system, or cannot work properly, here's how to fix it.
Windows Security Center (or Windows Defender) is a comprehensive security control panel for Windows that contains basic system security information such as firewall status alerts, antivirus status alerts, and automatic update alerts.
Recently, some users reported that after upgrading their computers to Windows 11, the security center disappeared or did not work properly. One of the manifestations is that it appears to be unable to open and jumps to the Microsoft App Store. Some users have also had nothing happen after trying to launch the application.
Such a situation can be caused by wrong configuration, updates, or Group Policy and services not running. You can try the following methods to fix Windows security.
Press the shortcut key "Win+X" at the same time, and then choose to open PowerShell with administrator privileges.
Then type "Set-ExecutionPolicy Unrestricted" in the command window and press Enter to execute it. Note that after execution, an input option will pop up, just type "A" and enter.
Continue to enter the following command and press Enter to execute it.
After completion a red error report may appear, you can simply ignore it and continue to the next step.
Finally, execute the following command:
This should open the windows 11 security center
Press Win + I to open Settings and navigate to "Apps" - "Apps & features"
Search for and find "Windows Security" in the list of applications
Click on the three dots icon to open the advanced options and find the Reset section and click on the "Reset" button.
Once done, you should be able to open Windows Security as normal.
In addition to the above method, it is also possible that other third-party security software exists that conflicts with Windows Security. You need to make a selection and leave only the one you want to use. You can also try using "sfc /scannow" and "Dism /Online /Cleanup-Image /RestoreHealth" in Windows Terminal to repair corrupted system files to fix the problem.
Windows Security helps us prevent data loss from virus attacks, but there are many other kinds of factors like human errors, unexpected disasters, theft, etc., that may lead to data loss or computer failure. As a result, it is important to create a solid backup solution for your Windows.
AOMEI Backupper is one of the best backup solutions that is suitable for Windows users. It offers file backup, system backup, or entire disk backup with a scheduled task. You can backup files or systems to the cloud, local drive, or external drive as you like. Moreover, this freeware provides a bootable media creator that helps you boot up a failed computer when restoring.
Download the free backup software to prevent Windows OS and files from data loss with ease.
Except for the backup features, AOMEI Backupper has other practical features as well. You can use it to sync files to external drive, or upgrade hard drive to SSD to improve computer performance. If you're an IT administrator of a company, you may try its Technician Plus edition to easily manage all computers and servers in one console.