Source Link: https://techcommunity.microsoft.com/
Script : Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage
Windows Defender is a built-in antivirus for Windows that was developed exclusively. Some of the features brought by Microsoft's antivirus are very powerful for securing PCs from virus threats. However, Windows Defender often considers files or applications that are actually safe to be considered dangerous.
What is the function of Windows Security?
Image result for windows security is
Virus protection & threats Windows Security helps you scan for threats on your device. You can also run different types of scans, view the results of previous virus and threat scans, and get the latest protection offered by Microsoft Antivirus Defense.
Cause Windows Defender Can't Open
There are several reasons why Windows Defender has failed to function, for example due to problematic system factors, there are several colliding services, until the device is attacked by viruses or malware.