Make sure your internet connection are ok try to ping under cmd (start-->run-->cmd) and type "ping www.google.com" (without quote). if timed out its mean the problem is your internet connection but if it look ok your firefox connection setting might not corectly configured. Try to using no proxy in firefox connection preference
Answers & Comments
Make sure your internet connection are ok try to ping under cmd (start-->run-->cmd) and type "ping www.google.com" (without quote). if timed out its mean the problem is your internet connection but if it look ok your firefox connection setting might not corectly configured. Try to using no proxy in firefox connection preference
Try uninstalling firefox and download and install the latest firefox.
Try uninstalling firefox and download and install the latest firefox.