Firewall blocking legitimate app
4.5
A program you trust cannot connect to the internet because the firewall is stopping it.
Symptoms
- "Connection Refused"
- App works on other PCs
- Firewall popup
Possible Causes
- Strict security rules
- App not whitelisted
- Network type mismatch
Step-by-Step Fix
1
Allow App through Firewall
Go to Firewall settings > Allow an app or feature > Change settings > Check the app.
2
Check Network Profile
Ensure the app is allowed on "Private" networks if you are at home.
3
Reset Firewall Rules
Restores default settings if you've made too many complex changes.
When to See a Technician
If the app still doesn't work, check if your "Antivirus Firewall" is overriding the "Windows Firewall".
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