
How to Fix 'Port Already in Use' Error on Windows
When you see an error like Port 8080 already in use or Address already in use<...

When you see an error like Port 8080 already in use or Address already in use<...

You try to start Redis, but it fails immediately—no error messages in the log file, nothing obvio...

You may see an error like 'Windows Update version mismatch' or 'Sync failed' when trying to updat...

If you see an error like 'There is a dependency conflict with Windows Security' or Windows Securi...

You try to enable or update Windows Defender, but get an error about a version mismatch. This typ...

You start Redis and it fails silently, or logs something like 'Could not connect to Redis'. The s...