did you tryed to re install it?

yes, first i did a reset on it but didn't work so I uninstalled and re-installed the software. Still not working.

can you give me more info.? when you install it dose somting show up....

and what system you using? windows xp/7/8/ vista etc?

Hello vinaysingh, check if your Internet security software (including firewalls, antivirus programs, anti-spyware programs, and more) preventing Firefox from connecting to the Internet.

see for more info : Fix problems connecting to websites after updating Firefox

thank you