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How to Fix Python UnicodeDecodeError: 'utf-8' Codec Can't Decode Byte - Resolve 521 Web Server Down with Firewall Changes-Solving Node.js FATAL ERROR Allocation Failed on Windows

2026-07-28 07:26:57
How to Fix Python UnicodeDecodeError: 'utf-8' Codec Can't Decode Byte - Resolve 521 Web Server Down with Firewall Changes-Solving Node.js FATAL ERROR Allocation Failed on Windows

Result check

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