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How to Fix Python UnicodeDecodeError: 'utf-8' Codec Can't Decode Byte - How to Resolve Error 521 Web Server Down-Fix Bluetooth Not Showing in Device Manager on Windows 11

Updated 2026-07-28 18:36:39developer-tools

How to Fix Python UnicodeDecodeError: 'utf-8' Codec Can't Decode Byte - How to Resolve Error 521 Web Server Down-Fix Bluetooth Not Showing in Device Manager on Windows 11

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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