
Fix 'Microsoft Teams Proxy Authentication Required' Error
You open Microsoft Teams and instead of your chat list, you see a message: "Proxy authentication ...
Software troubleshooting desk

You open Microsoft Teams and instead of your chat list, you see a message: "Proxy authentication ...

If Teams is acting up—failing to sync, showing corrupted profiles, or refusing to log in—resettin...

When you see an SSL certificate error or a permission denied message in OneDrive, syncing stops. ...

If you've set Command Prompt to start automatically on login—via the Startup folder, Registry, or...

If OneDrive is stuck on "Processing changes," syncing slowly, or showing errors, resetting the sy...

If you see error 0x800f0922 when trying to update Windows, and you use backup software, the probl...