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Fix VS Code Extension Host Crashing on Startup - How to Fix Windows Security 504 Error with Third-Party AV-Fix npm install Permission Denied in VS Code Terminal

2026-06-13 13:41:10office-tools
Fix VS Code Extension Host Crashing on Startup - How to Fix Windows Security 504 Error with Third-Party AV-Fix npm install Permission Denied in VS Code Terminal

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.