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Fix 'node-sass build failed python not found' Error - Troubleshoot Windows 11 Install Assistant 99% Hang-How to Fix Windows Update Stuck with Error 0x80070002

Updated 2026-07-28 11:18:59macos-help
Fix 'node-sass build failed python not found' Error - Troubleshoot Windows 11 Install Assistant 99% Hang-How to Fix Windows Update Stuck with Error 0x80070002
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.