Windows 10 update is causing issues with Microsoft Teams, Outlook

Windows 10 new issues

Windows 10’s May 2021 Patch Tuesday has updated the taskbar
with the “News and Interests” widget but it looks like it
hasn’t been without bugs and issues. Released on May 12,

Windows 10’s May Patch Tuesday updates include security
fixes for Bluetooth drivers and other core components, and it
is installed automatically.

Unfortunately, some users are reporting a bug that effectively
breaks Microsoft Teams and Outlook, but the good news is that
the tech giant is aware of the issues. In an update to the
admin portal, Microsoft confirmed that users can face login
issues when connecting to Teams, Outlook, and OneDrive for

“Impacted users may see the following error: “We’re sorry,
we’ve run into an issue”, Microsoft said. In some cases, users
will see the error ‘80080300’ when attempting to connect or
sign in. The company claims that the bug is only hitting
devices where
Windows 10 KB5003169 (version 1909) security update is

Microsoft’s initial finding suggests that the issue is in a
code included in the latest batch of Windows 10 updates.

“Current telemetry indicates that a small percentage of users
is unable to connect to various Microsoft 365 desktop clients,”
the company noted.

If you’re getting the error frequently, Microsoft recommends
restarting the computer manually.

This bug is especially frustrating as it will effectively
prevent you from accessing your Microsoft Teams and other
Office 365 clients. Some people can “fix” the issues
temporarily simply by restarting the operating system or
relaunching the desktop apps. However, this isn’t exactly a
long term solution to what appears to be a reasonably annoying

It’s worth noting that this isn’t the first time a login issue
has been encountered either. Login issues were first reported
with Google Chrome after Windows 10 version 2004 update.
However, the bug was later fixed.

Other bugs in May 2021 cumulative update

In addition to these issues, there are reports of installation
failure on some configurations.

KB5003173, which is the latest update for version 20H2/2004, is
reportedly failing with an ‘0x800f0922’
error. In some cases, users observed that the update process
ends abruptly and the patch is rolled back automatically after
a system reboot.

This is the case according to multiple reports seen by us. At
the moment, it’s unclear if Microsoft is aware of installation

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