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Fix VS Code Terminal 'Access Denied' Error - How to Fix Git 'index.lock' File Exists Error-How to Resolve Nginx 502 Upstream Timeout

2026-07-28 08:30:04developer-tools

Fix VS Code Terminal 'Access Denied' Error - How to Fix Git 'index.lock' File Exists Error-How to Resolve Nginx 502 Upstream Timeout

Final checklist

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