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Fix 'port already allocated' Error in Docker Compose - How to Clear DNS Cache to Fix ERR_NAME_NOT_RESOLVED-Fix Windows Explorer Restarting After Software Install

Updated 2026-07-28 13:13:35backup-recovery
Fix 'port already allocated' Error in Docker Compose - How to Clear DNS Cache to Fix ERR_NAME_NOT_RESOLVED-Fix Windows Explorer Restarting After Software Install
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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