kb5074109

  1. Windows 11 KB5074109 Breaks NVIDIA Gaming: Fixes and Workarounds

    The January 2026 cumulative update for Windows 11 (KB5074109) has left a significant number of NVIDIA-powered gaming PCs with lower frame rates, stuttering, visual artifacts, and intermittent black screens — and NVIDIA is advising affected gamers to temporarily remove the update while Microsoft...
  2. NVIDIA Probes Windows 11 KB5074109 Gaming Issues and Uninstall Workarounds

    NVIDIA has opened an engineering investigation after a wave of reports tied to Microsoft’s January 13, 2026 cumulative for Windows 11 (KB5074109) described sudden frame‑rate drops, visual artifacts and intermittent black‑screen events during gameplay — and community reproductions show that...
  3. Windows 11 KB5074109 Causes Nvidia GPU Artifacts and FPS Drops

    Windows 11’s January cumulative update is causing a fresh headache for PC gamers and enthusiasts: systems running Nvidia GeForce GPUs are reporting visible artifacts, flicker and measurable frame‑rate regressions that many users and Nvidia staff trace to KB5074109, Microsoft’s January 13, 2026...
  4. Windows 11 Start Menu Redesign Expands with KB5074109 Update

    Microsoft has quietly pushed another Start menu redesign into the mainstream Windows 11 rollout cycle, and this time the changes are arriving for most regular users as part of the January cumulative update KB5074109 — an extension of the Start overhaul first seeded in the October 2025 preview...
  5. Windows 11 KB5074109 Triggers Gaming Artifacts and Black Screens (NVIDIA & Microsoft)

    NVIDIA has confirmed it is investigating reports that the January 2026 Windows 11 cumulative update — released as KB5074109 (OS builds 26100.7623 and 26200.7623) — is correlated with a rash of gaming problems on some systems, including visual artifacts, black screens and notable FPS regressions...
  6. NVIDIA Probes Windows 11 KB5074109 Gaming Glitches

    NVIDIA has confirmed it is investigating a wave of gaming glitches that many users began seeing after Microsoft’s January 13, 2026 Windows 11 cumulative update (KB5074109), with reports ranging from brief black screens and visual artifacts to measurable drops in frame rates and driver crashes on...
  7. NVIDIA Investigates Windows 11 KB5074109 Issues: Black Screens and FPS Drops

    NVIDIA has opened an investigation after a wave of reports tied to Microsoft’s January 2026 Windows 11 update (KB5074109) described black screens, screen flicker, visual corruption and measurable frame‑rate losses on GeForce GPUs, and early community troubleshooting suggests uninstalling the...
  8. NVIDIA Probes Windows 11 KB5074109 Issues: Black Screens, Artifacts, FPS Drops

    Nvidia has acknowledged it’s investigating a wave of gaming problems that began appearing in Windows 11 after Microsoft’s January 13, 2026 cumulative update (KB5074109), with community reports describing black screens, visible artifacts in games, and measurable frame‑rate regressions on some...
  9. Windows 11 Boot Failures Linked to December 2025 Update and January 2026 KB5074109

    Microsoft's recent update cycle has produced an unfortunate feedback loop: a failed December 2025 security update left some Windows 11 systems in an improper state, and when those systems later received the January 2026 cumulative update (KB5074109), a subset could no longer boot — showing a...
  10. Windows 11 KB5074109 Removes Four Legacy Modem Drivers — Security vs Compatibility

    Microsoft’s January cumulative for Windows 11 deliberately removed four legacy modem drivers from the in‑box image—breaking modem-based telephony and POS appliances for a measurable subset of users—and the only immediate workaround for most affected systems is to uninstall KB5074109 and pause...
  11. Windows 11 January Update Triggers UNMOUNTABLE_BOOT_VOLUME Boot Failures

    Microsoft has confirmed a disturbing failure mode in its January 2026 security roll‑up: a limited but real set of Windows 11 devices can fail to boot after installing KB5074109, arriving as a black-screen stop with the historic UNMOUNTABLE_BOOT_VOLUME error and requiring manual recovery from the...
  12. Windows 11 January 2026 Update Causes UNMOUNTABLE BOOT VOLUME Failures

    Microsoft has acknowledged a troubling regression in its January 2026 Windows 11 cumulative update: a limited but serious set of physical PCs can fail to complete startup after installing the update, presenting the stop code UNMOUNTABLE_BOOT_VOLUME and a black “Your device ran into a problem”...
  13. Windows 11 UNMOUNTABLE_BOOT_VOLUME: Recovery Steps After January 2026 Update

    Some Windows 11 systems are failing to boot after Microsoft’s January 2026 cumulative update, leaving affected PCs stuck at an early black error screen with the stop code UNMOUNTABLE_BOOT_VOLUME and forcing manual recovery or — in worst cases — a reinstall. Microsoft has acknowledged a limited...
  14. Windows 11 January 2026 Patch KB5074109: Outlook hangs and boot failures

    Microsoft’s January 13, 2026 cumulative Windows 11 update (KB5074109) intended as a routine security rollup instead triggered a cascade of stability and compatibility failures — from Outlook Classic hangs and cloud‑file I/O regressions to black‑screen boot failures — forcing Microsoft to...
  15. Windows 11 Boot Failure After KB5074109: UNMOUNTABLE_BOOT_VOLUME Crisis

    Microsoft’s January Patch Tuesday has become a crisis for some Windows 11 users: the security rollup delivered as KB5074109 is now linked to systems that won’t boot, showing the dreaded stop code UNMOUNTABLE_BOOT_VOLUME and a black screen that leaves affected machines unusable without manual...
  16. Windows 11 KB5074109 Boot Failures and WinRE Recovery Guide

    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...
  17. Windows 11 Boot Failures from KB5074109: UNMOUNTABLE_BOOT_VOLUME (0xED) Jan 2026

    Microsoft’s January Patch Tuesday for Windows 11 has spiraled from an awkward rollout into a painful disruption for a subset of PCs: the cumulative update KB5074109 is now being linked to full boot failures that surface as the UNMOUNTABLE_BOOT_VOLUME stop code, leaving some machines unable to...
  18. Windows 11 January 2026 KB5074109 Causes UNMOUNTABLE_BOOT_VOLUME on Some PCs

    Microsoft has opened an engineering investigation after a subset of Windows 11 devices failed to boot following the January 13, 2026 cumulative security update, leaving some systems stuck at an early black error screen with the stop code UNMOUNTABLE_BOOT_VOLUME and requiring manual recovery to...
  19. Windows 11 KB5074109 Causes UNMOUNTABLE BOOT VOLUME on Some PCs

    Microsoft’s January Windows 11 cumulative security update has produced a worst‑case outcome for a small but painful subset of PCs: after installing KB5074109 (the January 13, 2026 LCU/SSU bundle), some physical machines fail to complete startup, showing the UNMOUNTABLE_BOOT_VOLUME stop code and...
  20. Windows 11 KB5074109 Boot Failure: UNMOUNTABLE_BOOT_VOLUME Explained

    Microsoft has confirmed that its January 13, 2026 cumulative update for Windows 11 (KB5074109) is tied to a serious, if currently limited, regression that can leave physical PCs unbootable with the stop code UNMOUNTABLE_BOOT_VOLUME — a black-screen failure that requires manual recovery through...