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networking issues
About this tag
Discussions tagged with networking issues on WindowsForum.com often involve post-update connectivity failures, such as DHCP problems that leave a machine appearing connected to a network but without working internet. A recurring theme is the impact of Windows cumulative updates, like KB5077181, which can break network functionality and require uninstalling the update to restore stability. Users share troubleshooting steps for diagnosing and resolving these network-related problems, including recovery mode options and update management. The tag covers real-world experiences with Windows 11 networking failures triggered by system updates, with a focus on practical mitigation strategies.
Microsoft’s February 2026 cumulative for Windows 11 — KB5077181 — has triggered a wave of severe post-update failures for a non-trivial set of devices, producing endless restart loops, broken logins caused by System Event Notification Service (SENS) failures, and cases where machines appear...