How to Fix the Windows 11 Microsoft Account Sign-In Bug With KB5085516

invalid@example.com (victorn), victorn
Fri, 27 Mar 2026 10:41:09 +0000
Windows Tips & Tricks

On March 10, 2026, Microsoft shipped KB5079473 as part of its regular Patch Tuesday cycle for Windows 11 versions 24H2 and 25H2. The update introduced several new features, but it also carried a significant side effect: some users began seeing a "no Internet" error whenever they tried to sign in to apps with a Microsoft account — even though their device was clearly online. Eleven days later, Microsoft released KB5085516, an emergency out-of-band (OOB) patch that specifically targets this...