Fix npm run build Failures After npm install - Resolve Windows Defender Service Stopped Error-Troubleshoot Node Sass Missing Module Error

Updated 2026-07-28 12:41:21security-tools
Fix npm run build Failures After npm install - Resolve Windows Defender Service Stopped Error-Troubleshoot Node Sass Missing Module Error
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.