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Fix Python UnicodeDecodeError When Parsing JSON - Fixing Python UnicodeDecodeError When Reading UTF-16 Files-Fix Windows 11 Installation Assistant Hanging at 99 Percent

Updated 2026-07-28 10:03:36office-tools
Fix Python UnicodeDecodeError When Parsing JSON - Fixing Python UnicodeDecodeError When Reading UTF-16 Files-Fix Windows 11 Installation Assistant Hanging at 99 Percent
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.