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How to Fix Windows Defender Error 0x80070422 - How to Unstick Teams Loading Screen Due to Firewall-Resolve Error 0x8024401c Due to Proxy Authentication Failure

Updated 2026-06-13 14:22:02macos-help
How to Fix Windows Defender Error 0x80070422 - How to Unstick Teams Loading Screen Due to Firewall-Resolve Error 0x8024401c Due to Proxy Authentication Failure
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

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