On the right side, if there are any pending updates. So head over to Settings > Windows Update. Microsoft frequently releases updates related to Windows Security app via Windows Update. Here on the right side, look for any third-party antivirus, uninstall it from the PC, and check if this fixes the issue. So head over to Settings > Apps > Installed app. As a result, the Windows Security app stops working properly and shows a blank screen. Sometimes Windows Security app compatibility issues with another app (Specially, a third-party Antivirus program) are installed on your PC. Check If There’s Third Party Antivirus Installed It’s because 99% of the issues related to Windows OS are fixed by doing this. So let’s start with the first one: Close the app and Reboot the PCīefore doing anything, I suggest you perform a quick restart.

To help you out we decided to cover this blog post in which you will explore some of the potential causes and solutions for this problem. How to Fix “Security at a Glance” Error in Windows Defender on Windows 11 Note – With the help of solutions covered in this blog post, you can also fix “Security at a Glance Error in Windows Defender on Windows 11 as well on Windows 10” SFC Scan, Repair, Reset or Reinstall Fix – Windows Security Showing Blank Screen in Windows 11

Windows defender windows 11 not working