Firefox can't access any WEB Site and always present the same message "Firefox can’t establish connection with server SERVERNAME". However if I use IE or Google Chrome the web site is accessible . I've already uninstalled and installed FireFox .
Firefox can't access any WEB Site and always present the same message "Firefox can’t establish connection with server SERVERNAME". However if I use IE or Google Chrome the web site is accessible . I've already uninstalled and installed Firefox but the problem doesn’t change.
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Did you check your security software (firewall)?
A possible cause is security software (firewall) that blocks or restricts Firefox without informing you about that, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox.
See Server Not Found - Troubleshoot connection problems and Configure firewalls so that Firefox can access the Internet and http://kb.mozillazine.org/Firewalls
After changing the security level of my firewall software, Firefox starts working again. Thanks. Après modifier le niveau de sécurité du Firewall, Firefox a marché bien. Je vous remercie. Após midificar o nível de seguraça do Firewall, o Firefox voltou a funcionar.
