The March Update for Windows 11 Breaks Teams Microsoft has admitted that a major bug in its March 2026 cumulative update is stopping Windows 11 users from signing into Microsoft Teams Free, OneDrive, and a number of other Microsoft apps This article explores update windows 11. . The problem, which is linked to the KB5079473 update that came out on March 10, 2026, has kept people from getting into their accounts even though they have active internet connections. Find out more Information about cybersecurity threats Services for security consulting Software After installing KB5079473 (OS Build 26100.8037), some Windows 11 users started having trouble signing in to apps that need a Microsoft account to work.
People who are affected see an error message that says, "You'll need the Internet for this," which is not true.
Even when their devices are fully online and connected, it doesn't look like they're connected to the Internet. Enterprise IT administrators who use the Windows Update Standalone Installer (WUSA) to install Windows updates may run into problems when installing .msu files from a shared network folder that has more than one update file. The process gives an error message that says "ERROR_BAD_PATHNAME."
The problem doesn't happen when there is only one.msu files are in the shared folder or are installed directly from a local drive. Users should check Microsoft's Windows release health dashboard, LinkedIn, and X every day for the latest information on cybersecurity.
