Windows Security (formerly Windows Defender) is the built-in antivirus tool bundled with the operating system. It has saved ...

Microsoft released an emergency update to fix the March 2026 KB5079391 non-security preview update, which was pulled over the ...

It’s imperative to keep Microsoft Defender up to date even when Windows Update isn’t working. Here are several methods to manually update Defender. Microsoft Defender is the built-in anti-malware ...

Windows 11’s latest cumulative update is not a routine housekeeping patch, it closes critical security holes and stabilizes the operating system at a moment when attackers are actively probing for ...

Microsoft has confirmed that it won't provide an automated fix for a known issue causing 0x80070643 errors when installing recent Windows Recovery Environment (WinRE) updates. The problematic updates ...

Updates for newer Windows versions are often downloaded in the background and installed automatically on the next reboot. This is usually a good thing: The system remains up to date, security gaps are ...

It's hardly unusual for a Windows update to introduce a bug, but most of the time, Microsoft provides a solution in a reasonable timeframe - not always, mind, and not ever in this more recent case.

The latest Windows 11 emergency update tackles widespread install errors and replaces the problematic KB5079391 rollout.