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Fix 'Windows Defender File Locked by Another Program' Error - Windows Security High CPU Usage on Windows 11: Fixes-Fix Windows Activation 502 Bad Gateway After Upgrade

Updated 2026-06-15 08:13:24developer-tools

Fix 'Windows Defender File Locked by Another Program' Error - Windows Security High CPU Usage on Windows 11: Fixes-Fix Windows Activation 502 Bad Gateway After Upgrade

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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