A critical Windows 11 bug that could make your taskbar and Start menu vanish during first sign‑in is being addressed by Microsoft in the optional January 29, 2026 preview update KB5074105 — but the fix comes amid a turbulent January update cycle that also produced boot failures, black screens...
Microsoft has confirmed a Windows 11 bug that can crash explorer.exe during the first sign‑in — making the taskbar and desktop UI vanish — and says the problem has been addressed in the January preview update KB5074105, which Microsoft has started rolling out as an optional preview...