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Fix Microsoft Teams Error Code cxa20001 - Resolve Task Scheduler File Locked Issue-How to Make Windows Defender Trust a Self-Signed Certificate

Updated 2026-06-14 08:19:33developer-tools
Fix Microsoft Teams Error Code cxa20001 - Resolve Task Scheduler File Locked Issue-How to Make Windows Defender Trust a Self-Signed Certificate
Prepare
Execute
Validate
Document

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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