Fixing Python UnicodeDecodeError When Reading UTF-16 Files - Fix Windows 11 Installation Assistant Stuck at 99%-Python Terminal in VSCode Not Working

Updated 2026-07-28 11:42:53office-tools
Fixing Python UnicodeDecodeError When Reading UTF-16 Files - Fix Windows 11 Installation Assistant Stuck at 99%-Python Terminal in VSCode Not Working
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.