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VS Code IntelliSense Not Working for Java: Fix Guide - Troubleshooting Nginx Upstream Connection Refused Port 80-Troubleshoot Windows Update Service Not Starting

Updated 2026-07-28 09:52:46windows-fixes
VS Code IntelliSense Not Working for Java: Fix Guide - Troubleshooting Nginx Upstream Connection Refused Port 80-Troubleshoot Windows Update Service Not Starting
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.