KB5077181 could make some PCs faster if explorer.exe was hanging on your system, and it also fixes the black screen issue on Nvidia GPUs.

Nvidia has confirmed that it's aware of Windows 11 gaming issues after the KB5074109 January 2026 Update and is looking into ...

TL;DR: Microsoft is testing a new error screen for Windows 11, replacing the Blue Screen of Death with a Green or Black Screen of Death. The new design removes the ...

It seems that the January update is seriously problematic for NVIDIA GPUs in some cases, with reports of black screens, FPS drops, and more besides.

Turn off your system. Remove the power cord and disconnect all the peripherals. Disconnect the charger if it is a laptop. Press and hold the power button for up to 30 seconds. Turn on your system.