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Fix 'npm install' Permission Denied When Using Yarn - Windows Defender Real-Time Protection Not Working? Fix It Here-Fixing pnpm install Exit Code 1 Errors

Updated 2026-07-28 12:15:59office-tools
Fix 'npm install' Permission Denied When Using Yarn - Windows Defender Real-Time Protection Not Working? Fix It Here-Fixing pnpm install Exit Code 1 Errors
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.