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Fix Windows Security High Memory Usage (100%) - Resolve Windows Defender Not Opening (Error 404)-Fix Windows Defender Not Opening on Windows 11

Updated 2026-06-15 02:21:57cloud-software
Fix Windows Security High Memory Usage (100%) - Resolve Windows Defender Not Opening (Error 404)-Fix Windows Defender Not Opening on Windows 11
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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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