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Fix VS Code IntelliSense Not Working in Workspace - npm package.json Not Found: Troubleshooting Checklist-Fix ERR_CERT_AUTHORITY_INVALID on Localhost

2026-07-28 11:41:18
Fix VS Code IntelliSense Not Working in Workspace - npm package.json Not Found: Troubleshooting Checklist-Fix ERR_CERT_AUTHORITY_INVALID on Localhost

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

Next references

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