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How to Fix Python UnicodeDecodeError: 'utf-8' Codec Can't Decode Byte - Python JSON Decode Error: Unicode Troubleshooting Guide-Fix Windows 11 Wi-Fi No Internet with IPv6 Off

2026-07-29 00:14:40
How to Fix Python UnicodeDecodeError: 'utf-8' Codec Can't Decode Byte - Python JSON Decode Error: Unicode Troubleshooting Guide-Fix Windows 11 Wi-Fi No Internet with IPv6 Off

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.