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Fix Nginx Upstream Connection Refused Error - Fix Frozen Windows 11 Update Assistant-Taskbar Icons Disappeared After Windows Update Fix

2026-07-28 16:00:12
Fix Nginx Upstream Connection Refused Error - Fix Frozen Windows 11 Update Assistant-Taskbar Icons Disappeared After Windows Update Fix

Result check

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