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Windows 11 Installation Assistant Stuck at 99%: Fixes That Work - Resolve 'Missing Semicolon' in Nginx Config Test-Fix Node Sass Build Failed: Reinstall Steps

Updated 2026-07-28 18:18:42security-tools
Windows 11 Installation Assistant Stuck at 99%: Fixes That Work - Resolve 'Missing Semicolon' in Nginx Config Test-Fix Node Sass Build Failed: Reinstall Steps
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.

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