Windows 11 shutdown bug forces Microsoft into damage control

Microsoft released an emergency out-of-band update, KB5077797, for Windows 11 version 23H2 to fix a shutdown bug introduced by the January Patch Tuesday update. The bug, caused by an issue with System Guard Secure Launch, prevented some systems from shutting down, restarting, or hibernating. The emergency update addresses this issue and also fixes a Remote Desktop authentication problem. Microsoft advises affected users to install the update to resolve these problems.