The network link was interrupted while negotiating a connect

please help
when i connect to my PPPoe this massage appear to me when browsing web sites

is that mean a viruse ??? any suggest

thanx

I think it’s a problem in your computer. Turn off firewall and antivirus:
http://support.mozilla.com/tiki-view_forum_thread.php?forumId=1&comments_parentId=97998

thanx normis