Microsoft has resolved a bug that caused Windows Defender to crash after a recent security update, resulting in 0xc0000005 access violation errors on some affected systems. Microsoft Defender is a ...

On some PCs, Windows 11 has been incorrectly warning that Microsoft Defender is turned off, even when it isn't, for almost ...

Recently, a handful of Windows 11 users have reported on Microsoft forums that they are repeatedly getting warnings that their PC’s security is off. It appears that a Windows 11 antivirus bug falsely ...

Microsoft has fixed the bug that made Windows Security wrongly claim Microsoft Defender Antivirus was turned off. According ...

Microsoft has resolved a known issue that causes incorrect alerts warning that Defender Antivirus was turned off after installing recent updates.

A bad Microsoft Defender update is quarantining VLC's cache, causing severe startup delays. Here's how to fix it.

With all the security options available to keep Windows systems secure, it's important to ensure the proper configuration of your antivirus application to avoid any Windows Defender compatibility ...

The glitch, which Microsoft says it working to fix, creates an attacker opportunity by convincing users to ignore critical cybersecurity alerts. Microsoft on Friday reported that a glitch is causing ...

The anonymous researcher released a new proof-of-concept exploit called ShieldCrash, claiming it bypasses Microsoft's patch for the ShieldBreak Defender vulnerability – the latest in a string of ...