Microsoft has released Windows 10 emergency update KB5077796 to fix Remote Desktop sign-in failures caused by recent Patch Tuesday updates.

Microsoft released two emergency Windows 11 updates over the weekend to address remote connection and shutdown issues in the January 2026 Patch Tuesday updates.

Microsoft has confirmed that a recent Windows update could be blocking some users' access to Microsoft 365 Cloud PCs. A temporary workaround is in place, but the company is yet to formally release a true fix. The issue started around 7pm UTC on January 13 (per Bleeping Computer ), with users noting sign-in failures and intermittent access problems.

Microsoft confirmed that a recent Windows update is blocking customers from accessing their Microsoft 365 Cloud PC sessions.

Microsoft has released emergency out-of-band updates on both Windows 11 and Windows 10 for manual downloading. They fix shutdown and remote desktop bugs.

One of the most disruptive bugs caused certain Windows 11 machines to reboot instead of switching off or entering sleep mode when users selected shut down or hibernate. Microsoft confirmed the issue was linked to devices running Secure Launch,