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

Microsoft updates Defender in Windows install media to block threats during setup and close early security gaps.

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

New out-of-band Windows 11 update fixes March's installation errors - how to get it ...

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

Microsoft has halted the rollout of a Windows update after some users encountered installation errors. The update, KB5079391, was released last week as a preview rather than a security update.