Any personal computer running Microsoft™ Windows needs to have a 3rd party firewall of some sort protecting direct access to the computer. A preferred method is to use the Firewall of a Router. If you do not have a Router with a Firewall and you have a Cable or DSL Modem from your Internet Service Provider (ISP) a 3rd party Firewall is recommended. To test the Firewall of a Router or your current protection click on Fire Wall Testing Instructions. AND, if you want to learn more about 3rd Party Firewalls or have have a 3rd Party Firewall that could be blocking a Programs Internet access the internet Mozilla Firefox support page has excellent information;
Firewall may be Blocking it!
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