How to Fix Chrome ERR_CONNECTION_REFUSED on localhost

Quick Answer: Chrome ERR_CONNECTION_REFUSED on localhost occurs when local development server not running or crashed. Start your development server to resolve this issue.

What Causes This Error

• Local development server not running or crashed
• Server listening on different port than browser request
• Firewall blocking localhost connections
• Port already in use by another application
• DNS resolution failure for localhost
• Browser cache containing stale connection data
• Network adapter or driver issues

Step-by-Step Fixes

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FAQs

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