Windows 11 KB5077181 is a mandatory update that resolves up to 58 critical vulnerabilities, including a serious flaw in Windows Notepad that could allow for remote code execution. It introduces new features like an Apple Handoff-like Resume function and addresses gaming issues, particularly graphical artifacts in games such as Forza Horizon 5. The update fixes the black screen problem affecting certain Nvidia GPUs and resolves issues related to explorer.exe freezing or crashing upon login. Microsoft has confirmed that the update addresses black screen problems in isolated multiuser environments and rectifies boot failures linked to specific GPU configurations. Users can check if the update is installed by navigating to Settings > System > About, with the latest version being Build 26200.7840 or newer.