Fix Windows Update Error Due to Port 80 Already in Use - Windows 10 Chrome ERR_CONNECTION_RESET Troubleshooting-Chrome 502 Bad Gateway Fix: Profile Cache Cleanup

Updated 2026-06-19 01:02:20security-tools
Fix Windows Update Error Due to Port 80 Already in Use - Windows 10 Chrome ERR_CONNECTION_RESET Troubleshooting-Chrome 502 Bad Gateway Fix: Profile Cache Cleanup
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.