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https://support.mozilla.org/1/firefox/33.0/WINNT/en-US/prefs-connection-settings

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I am unable to connect to the internet using Firefox. I can get on using Chrome but not Firefox. I keep getting this error message. Unable to connect

Firefox can't establish a connection to the server at www.qvc.com.

   The site could be temporarily unavailable or too busy. Try again in a few moments.
   If you are unable to load any pages, check your computer's network connection.
   If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web.


I have tried rebooting several times.

I am unable to connect to the internet using Firefox. I can get on using Chrome but not Firefox. I keep getting this error message. Unable to connect Firefox can't establish a connection to the server at www.qvc.com. The site could be temporarily unavailable or too busy. Try again in a few moments. If you are unable to load any pages, check your computer's network connection. If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web. I have tried rebooting several times.

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hello, normally such issues are caused by a firewall/security software which doesn't recognize & therefore blocks new firefox versions. please remove all program rules for firefox from your firewall and let it detect the new version of the browser again.

Fix problems connecting to websites after updating Firefox