Learn how to open and configure Windows Defender settings in Windows 11 to protect your PC from viruses and online threats.

If your system files are corrupted, built-in Windows 11 components, such as Windows Security, will not be able to run.

This feature ensures your account is safe. You must enter our Windows PIN or use the Security key to authenticate yourself whenever asked. However, follow these suggestions if you feel the prompt is ...

A mandatory Windows 11 security update is wreaking havoc on some systems, and Microsoft is working on a hotfix to reverse the ...