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Fix Missing Taskbar Icons After Uninstalling a Program - Fix Nginx Upstream Connection Refused & Upstream Not Found-Resolve Git SSL Certificate Error on macOS

Updated 2026-07-28 04:11:02developer-tools
Fix Missing Taskbar Icons After Uninstalling a Program - Fix Nginx Upstream Connection Refused & Upstream Not Found-Resolve Git SSL Certificate Error on macOS
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

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