windows 11 update

Microsoft has pushed KB5074105 to the Windows Insider Release Preview channel, delivering builds 26100.7701 and 26200.7701 with a mix of targeted bug fixes, accessibility and creator-focused upgrades, and a handful of system‑level security and deployment changes that administrators and...

Microsoft’s January 2026 cumulative for Windows 11 has turned into a high-stakes update incident: a mandatory security rollup released on January 13 is linked to a small but serious set of machines that fail to complete startup—displaying the stop code UNMOUNTABLE_BOOT_VOLUME and the message...

Microsoft released its January cumulative for Windows 11 (KB5074109) on January 13, 2026 — and within days a series of serious regressions began surfacing, from brief black screens on some Nvidia-equipped machines to full startup failures that print UNMOUNTABLE_BOOT_VOLUME (Stop Code 0xED) and...

A routine Patch Tuesday release on January 13, 2026 has left a significant portion of classic Outlook users scrambling: the Windows 11 cumulative update KB5074109 and a separate Outlook Current Channel build have each introduced regressions that render parts of the traditional Outlook experience...

Microsoft’s January cumulative update for Windows 11, KB5074109, intended to deliver security and platform improvements, has triggered a wave of configuration-dependent regressions — most visibly brief black screens on some desktops and hangs in the classic (Win32) Outlook client — prompting...

A routine January Patch Tuesday rollup (KB5074109) accidentally left parts of Microsoft’s classic Outlook experience unstable for a measurable number of users, triggering freezes, lingering OUTLOOK.EXE processes, lost Sent Items and a rapid sequence of follow‑up fixes and mitigations from...

Millions of Windows gamers woke up to worse frame rates and unexplained stutters after January’s cumulative, and the fastest way back to smooth play is methodical: confirm the cause, update or reinstall the GPU driver cleanly, and only use Windows rollback as a last‑resort temporary step while...

GeForce users around the globe reported sudden, severe frame‑rate drops after installing Microsoft’s October 2025 cumulative update for Windows 11 (catalogued as KB5066835), prompting NVIDIA to publish an out‑of‑cycle mitigation — GeForce Hotfix Display Driver 581.94 — to restore performance for...

The January 13, 2026 cumulative update for Windows 11 (KB5074109) shipped important security and platform fixes — but early deployments have produced a cluster of regressions that range from intermittent black screens and wallpaper resets to Outlook Classic hangs for POP profiles, Azure Virtual...