A bad security intelligence update causes Microsoft Defender to crash during Full and Quick Scans on some PCs. Upgrading to Security Intelligence Update v1.457.236.0 resolves the issue.

Nothing beats free antivirus protection on Windows, like Microsoft Defender, but some of that software might not be as strong as you think based on a new study from an anti-malware assessment company.

My dell laptop which I believe is compromised, I have done a lot of full scans and it found over 10,000+ of threats last week. Thing is I then did a few other full scans and it didn't find anything.

Microsoft has released a new security tool for Windows PCs called Windows Defender Offline Tool which you can use to scan you computer for malware before Windows even boots. Windows Defender Offline ...

For most people using a supported and fully updated Windows 11 computer, yes: Microsoft Defender Antivirus and the other protections inside Windows Security are sufficient as the primary antivirus.