defender updates

If your PC still runs Windows 10, Microsoft hasn’t abandoned you completely: Microsoft Defender will keep delivering threat intelligence and definition updates for a limited window, but that protection is a partial safety net — not a substitute for OS security patches or a long‑term supported...

Microsoft's decision to keep Microsoft Defender Antivirus receiving definition and detection updates on Windows 10 for years after the operating system's official end-of-support does reduce one vector of risk — but it is emphatically not a replacement for ongoing OS security patches, feature...

A fresh telemetry snapshot from remote‑support sessions underscores a stark reality: as Microsoft’s Windows 10 support deadline approaches, a large share of real‑world endpoints remain on an OS that will soon stop receiving routine security patches—creating an urgent migration and...

Microsoft’s official tools for moving millions of PCs off Windows 10 and onto Windows 11 stumbled at the worst possible time: an updated Windows 11 Media Creation Tool released in late September can close immediately or fail to run on certain Windows 10 hosts, leaving users scrambling for...

Rumors that “your laptop will stop working after October 14” condensed panic into a single false sentence — the reality is more prosaic and far more important: October 14, 2025 is the date Microsoft ends routine vendor servicing for Windows 10, not a switch that turns devices off, and the...

Microsoft pushed Windows 10 cumulative update KB5065429 to 22H2 machines this week, a mandatory security rollup that arrives as the platform approaches its October 14, 2025 end‑of‑support deadline — and it’s tightly linked to Microsoft’s consumer Extended Security Updates (ESU) enrollment path...

If you’re a Windows Insider, the update entries you see under Settings > Windows Update > Update history can look like a jumble of KB numbers, build strings, and cryptic patch names — but they tell a clear story once you know what to look for. Microsoft’s recent support article frames this view...

Windows 11’s built‑in antivirus, Microsoft Defender, is normally updated automatically through Windows Update — but when that pipeline falters, administrators and power users must know how to update Defender manually, safely, and at scale to avoid windows of exposure that attackers will happily...

Windows installation images have long been a staple tool for IT administrators, power users, and anyone intent on maintaining control over their Windows environment. Whether for fresh installations, repairs, or spinning up virtual machines, ISOs and deployment images represent the foundation for...

Hello. I installed this update and now Kaspersky won't load. Anybody else having the same issue? Any suggestions gratefully received

A recent update to Windows Defender (KB915597 Def.1.33.9770.6) is preventing my Calibration Loader from starting up when I start windows. As a result I have to restore to previous restore point every time I start my computer. Any ideas? Yakir