Fix npm run build Failure Due to Node Version Mismatch - How to Restore IntelliSense for Dart and Flutter in VSCode-Windows 11 Installation Assistant Stuck: Troubleshooting Guide

Updated 2026-07-28 13:44:38browser-issues
Fix npm run build Failure Due to Node Version Mismatch - How to Restore IntelliSense for Dart and Flutter in VSCode-Windows 11 Installation Assistant Stuck: Troubleshooting Guide
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.