Microsoft Teams Update Failed — What It Means & How to Fix It

What Does This Error Mean?

Teams tried to install an update but something went wrong. This can happen because of a network issue, a permissions problem, or a corrupted download. You can usually fix it by restarting Teams or installing the update manually.

Affected Models

Microsoft Teams for Windows
Microsoft Teams for Mac

Common Causes

The update download was interrupted by a network problem
Teams does not have permission to write files to its update folder
Antivirus or security software is blocking the update process
The previous version of Teams is corrupted and blocking the update
Disk space is too low for the update files to be saved

How to Fix It

Restart Teams and let it try again. Close Teams fully (right-click the tray icon and choose Quit), then reopen it. Teams automatically checks for and applies updates on startup.

Many update failures are temporary and fix themselves on the next launch.
Check your internet connection. A dropped connection during a download will cause the update to fail. Make sure you have a stable connection, then restart Teams.

If you are on Wi-Fi, try moving closer to your router or switching to a wired connection.
Run Teams as Administrator. Right-click the Teams icon and choose 'Run as administrator'. This gives Teams the permissions it needs to write update files.

If the update succeeds this way, a permission issue was the cause.
Check that you have enough disk space. Open File Explorer and check your C: drive. Teams needs at least a few hundred megabytes free to update.

Free up space by emptying the Recycle Bin or deleting old files you no longer need.
Download and install Teams manually. Go to microsoft.com/en-us/microsoft-teams/download-app and download the latest installer. Run it to update Teams without using the built-in updater.

This is the most reliable fix. It replaces any corrupted files and installs the latest version.

When to Call a Professional

If Teams repeatedly fails to update and manual installation does not work, contact your IT department. On managed work computers, IT controls update permissions and may need to push the update manually.

Frequently Asked Questions

Is it safe to use Teams while it's stuck on an old version?

Generally yes for a short time, but Microsoft may disable older versions eventually. Try to get the update installed as soon as possible.

Will updating Teams delete my chats or files?

No. Updates only replace the app itself. Your chats and files are stored on Microsoft's servers, not on your device.

Why does Teams update so often?

Microsoft updates Teams frequently to add features and fix security issues. The updates are usually small and automatic — they install quietly in the background.