Microsoft's February Windows 11 update KB5077241 brings a built-in network speed test and fixes annoying sleep wake-up ...
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.
Microsoft has rolled out the Windows 11 February cumulative update, KB5077181, and early coverage paints it as a corrective release aimed at both security and day-to-day stability.