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New KB5085516 emergency update fixes Microsoft account sign-in

Recorded: March 23, 2026, 10 a.m.

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New KB5085516 emergency update fixes Microsoft account sign-in

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HomeNewsMicrosoftNew KB5085516 emergency update fixes Microsoft account sign-in

New KB5085516 emergency update fixes Microsoft account sign-in

By Sergiu Gatlan

March 23, 2026
04:04 AM
0

Microsoft has released an emergency update to address a major issue that breaks sign-ins with Microsoft accounts across multiple Microsoft apps, including Teams and OneDrive.
This issue appears after installing the KB5079473 cumulative update that Microsoft released as part of this month's Patch Tuesday, and it warns users that the affected devices are not connected to the Internet.
The list of affected apps also includes Microsoft Edge, Microsoft 365 Copilot, and Office apps such as Excel and Word, which display the same error message for features that require a Microsoft account sign-in.
"As a result of this issue, sign in attempts will display an error message with text similar to 'You'll need the Internet for this. It doesn't look like you're connected to the Internet.' This appears even if the device is connected to the Internet," Microsoft said when it acknowledged the bug on Friday.
"Please note that this issue occurs only with sign in operations involving Microsoft accounts, which are commonly used for Microsoft Teams Free. Businesses using Entra ID (previously known as Azure Active Directory) for app authentication will not be affected by this issue."
While working on a fix, Microsoft also provided a temporary workaround for affected users that requires them to restart their PCs in the hope that the internet connectivity issues will resolve on their own.

No Internet connection error (Safe-Location-8839)
Over the weekend, Microsoft started rolling out the KB5085516 optional out-of-band update, which addresses this bug and includes all patches delivered with the Microsoft 2025 Patch Tuesday Windows security update.
"This issue was resolved by Windows updates released March 21, 2026 (), and later updates. We recommend you install the latest updates for your device as they contain important improvements and issue resolutions, including this one," Microsoft said in a Saturday center update on the Windows release health dashboard.
"This OOB update is available for Windows 11, versions 25H2 and 24H2 devices that receive standard Windows updates. It can be installed through Windows Update or the Microsoft Update Catalog."
Since this month's Patch Tuesday updates were released, Microsoft has issued two additional emergency updates for hotpatch-enabled Windows 11 Enterprise devices to address a Bluetooth device visibility issue and security vulnerabilities in the Routing and Remote Access Service (RRAS) management tool.
It also shared guidance for fixing C:\ drive access issues on some Samsung Windows 11 laptops, which were triggered by a buggy version of the Samsung Galaxy Connect (or Samsung Continuity Service) app.

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Microsoft
Microsoft 365
Microsoft Teams
OneDrive
Sign-In
Windows
Windows 11
Windows 11 24H2
Windows 11 25H2

Sergiu Gatlan
Sergiu is a news reporter who has covered the latest cybersecurity and technology developments for over a decade. Email or Twitter DMs for tips.

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This BleepingComputer article details Microsoft’s response to a significant issue impacting sign-in functionality across several key Windows 11 applications. The core of the report centers around emergency update KB5085516, released to resolve an error message displayed by users attempting to access services like Microsoft Teams, OneDrive, Microsoft Edge, Microsoft 365 Copilot, and Office applications (Excel and Word). The error message, “You’ll need the Internet for this. It doesn’t look like you’re connected to the Internet,” appears even when devices are successfully connected to the network.

The problem originated following the installation of the KB5079473 cumulative update released during Patch Tuesday. Microsoft acknowledges that this update triggered the issue, specifically targeting users employing Microsoft accounts, particularly those utilizing Teams Free. Importantly, the update does not affect users relying on Entra ID (formerly Azure Active Directory) for app authentication.

To mitigate immediate disruption, Microsoft provided a temporary workaround – restarting affected PCs – which, in many cases, resolved the connectivity issues. The KB5085516 update itself incorporates all patches from the initial Patch Tuesday update alongside the fix for the sign-in error. This optional out-of-band update is available for Windows 11 versions 25H2 and 24H2 devices that receive standard Windows updates and can be installed through Windows Update or the Microsoft Update Catalog.

Since the initial Patch Tuesday release, Microsoft has proactively addressed other critical vulnerabilities. Specifically, they issued two emergency updates for Windows 11 Enterprise devices to rectify a Bluetooth device visibility issue and security flaws within the Routing and Remote Access Service (RRAS) management tool. Further, the article highlights a previously documented issue causing the password sign-in option to disappear from Office applications, a problem now addressed within the KB5085516 update. Finally, they have provided guidance to address C:\ drive access issues on certain Samsung Windows 11 laptops caused by a buggy version of the Samsung Galaxy Connect app.

The article emphasizes the importance of installing the latest updates, not just for this specific issue, but for broader improvements and issue resolutions. Microsoft recommends prioritizing installations, particularly for enterprise environments leveraging Entra ID. The BleepingComputer report also contextualizes this event within a broader trend of Microsoft releasing emergency updates, demonstrating a responsiveness to user-reported issues and vulnerabilities, and highlighting their continued commitment to servicing Windows 11 users.