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How to Configure and Troubleshoot Windows Firewall

Issue Description 

Firewall settings can block apps or network connections if misconfigured. 

Common Causes 

  • Blocked app rules 
  • Third-party firewall conflicts 

Step-by-Step Solution 

Step 1: Allow an App Through Firewall 

  • Open Windows Security → Firewall & network protection 
  • Click Allow an app through firewall 
  • Click Change settings → Allow another app 

 

Step 2: Reset Firewall Settings 

  • Open Firewall & network protection 
  • Click Restore firewalls to default 

 

Step 3: Disable Third-Party Firewalls 

  • Temporarily disable to test conflicts 

Explore Further 

  • Create custom inbound/outbound rules 

Prevention & Best Practices 

Never disable firewall permanently.