Microsoft's January 2026 Windows 11 update (KB5074109) has been crashing NVIDIA-powered systems through a dxgmms2.sys regression, triggering GPU deadlocks, black screens, and frame rates dropping to one-third of baseline. WPA3 Wi-Fi connectivity likewise broke under the same update. The February fix (KB5077181) has stabilized many systems, though RTX 4090 and 5090 users still report GPU deadlock conditions during rendering. There's considerably more to unpack here.
Microsoft's January 2026 Windows 11 update KB5074109 has turned countless NVIDIA-powered systems into expensive paperweights, triggering GPU crashes, black screens, and frame-rate collapses severe enough to make seasoned IT administrators reach for the rollback button. The culprit? A regression buried inside the dxgmms2.sys driver file, creating GPU deadlock conditions that no amount of rebooting could permanently resolve.
The damage was widespread. Users running Cinema 4D, Genshin Impact, and Marvel Rivals encountered critical application crashes mid-session, while others faced the particularly grim sight of "Kernel Security Check Failure" errors lighting up their screens. AMD and Intel GPU owners weren't entirely spared either, though NVIDIA systems absorbed the loudest share of complaints. When a single cumulative update breaks rendering pipelines across professional workstations and gaming rigs simultaneously, the community notices quickly.
Performance degradation reached genuinely alarming levels in certain configurations — benchmark testing revealed frame rates dropping to roughly one-third of baseline performance. NVIDIA driver version 595.71, released on 2 March 2026, offered no relief from the voltage capping issues inherited from previous releases. Visual corruption, screen flickering, HDR instability, and refresh rate switching problems layered on top of the core crash issues, painting a picture of a software update that arrived carrying far too much baggage.
Microsoft responded with KB5077181, the February 2026 cumulative update positioned as the primary fix. Release notes confirmed it addressed the dxgmms2.sys regression and the Kernel_Security_Check_Failure errors that had plagued affected users for weeks. Reports from Windows Latest and community testing showed many systems stabilising after installation, and Microsoft additionally pushed emergency out-of-band updates to accelerate remediation for the worst-affected environments.
NVIDIA, for its part, acknowledged the problems and issued workaround guidance while longer-term driver solutions were developed. Here is where things get complicated, though. KB5077181 resolved the January regressions for many users, while simultaneously introducing fresh instability on specific hardware combinations.
NVIDIA RTX 4090 and RTX 5090 systems encountered GPU deadlock conditions during rendering workloads post-update. Professional Quadro M2000M workstations were quietly affected without surfacing clear error messages, making diagnosis frustratingly opaque. Installation failures, audio popping, and HDMI discrete GPU glitches on resume-from-sleep rounded out a list of hardware-specific regressions that emerged only after the supposed fix landed.
Some users concluded the entire Windows 11 update chain was untenable on their hardware and rolled back entirely to Windows 10. The broader pattern here is worth naming plainly: this community of users — professionals, gamers, enterprise operators — deserves update cycles that solve more problems than they create. The January preview update also introduced WPA3 connectivity issues, leaving users unable to connect to certain Wi-Fi networks until the February update arrived to address the problem.
Microsoft and NVIDIA are both moving toward resolution, and the trajectory looks cautiously positive. However, trust, once fractured by a wave of black screens and corrupted frames, takes considerably longer to restore than any patch deployment timeline suggests.
Final Thoughts
Microsoft has recognized the issues caused by a recent Windows 11 update, which has led to GPU crashes and disrupted WPA3 connectivity for some users. These problems can significantly hinder productivity. The Brisbane City Computer Repairs Team is here to help you navigate these challenges. If you're experiencing these issues or need assistance with your system, don't hesitate to reach out. Click on our contact us page to get in touch and let us provide the support you need!