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Docker Compose: Fix 'Port Already in Use on Host' Error - Git Fatal: Refusing to Merge Unrelated Histories – Workaround-Antivirus Causing ERR_NAME_NOT_RESOLVED – Solutions

Updated 2026-07-28 17:57:54cloud-software
Docker Compose: Fix 'Port Already in Use on Host' Error - Git Fatal: Refusing to Merge Unrelated Histories – Workaround-Antivirus Causing ERR_NAME_NOT_RESOLVED – Solutions
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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