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Fix Microsoft Teams Stuck on Loading with Error Code 0xca - File Locked by Windows Defender: Troubleshooting Guide-Resolve Windows Activation Blocked by Firewall

Updated 2026-06-13 23:37:07developer-tools
Fix Microsoft Teams Stuck on Loading with Error Code 0xca - File Locked by Windows Defender: Troubleshooting Guide-Resolve Windows Activation Blocked by Firewall
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Operational follow-up

  • Record the exact option, command, or setting that changed the result.
  • Keep a rollback note if the workflow affects shared files or team settings.

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