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Fixing Python UnicodeDecodeError When Reading UTF-16 Files - Fix Windows 11 Installation Assistant Stuck at 99% Registry-Fix Windows Security App by Resetting Settings

Updated 2026-07-28 07:03:43office-tools
Fixing Python UnicodeDecodeError When Reading UTF-16 Files - Fix Windows 11 Installation Assistant Stuck at 99% Registry-Fix Windows Security App by Resetting Settings
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.