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Windows 10 Taskbar Icons Not Responding: Practical Fixes - How to Fix Nginx Upstream Connection Refused Error-Nginx Rewrite Rule Syntax Error Fix

Updated 2026-07-28 05:51:16developer-tools

Windows 10 Taskbar Icons Not Responding: Practical Fixes - How to Fix Nginx Upstream Connection Refused Error-Nginx Rewrite Rule Syntax Error Fix

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.