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How to Fix Permission Denied Error in Python pip - Python UnicodeDecodeError: 'charmap' Codec Can't Decode Byte-Troubleshooting Windows Defender 0x800704ec

Updated 2026-07-28 13:13:43windows-fixes
How to Fix Permission Denied Error in Python pip - Python UnicodeDecodeError: 'charmap' Codec Can't Decode Byte-Troubleshooting Windows Defender 0x800704ec
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.