Microsoft has confirmed that KB5079473 can break Microsoft account sign-ins in Windows 11 24H2 and 25H2, affecting apps like Teams Free, OneDrive, Edge, Word, Excel, and Microsoft 365 Copilot, while sometimes showing a misleading “you’re offline” message even when the PC is connected. Microsoft’s current workaround is to restart the device while it remains online, and the issue does not affect Entra ID-based business sign-ins. a short plain-English summary,
- a “what’s affected / what’s not affected” table, or
- a suggested forum reply.
Source: Neowin Microsoft: KB5079473 breaks internet access to Windows 11 Teams, Edge, OneDrive, Copilot
