I am using Fedora 12 electronic lab spin. when i try to install or update anything using yum nothing happens after &#39;Loaded plugins: presto, refresh-packagekit &#39;<br>furthur i am unable to open some of the websites(<a href="http://www.youtube.com">www.youtube.com</a>, <a href="http://www.iitr.ac.in">www.iitr.ac.in</a>) in fedora(firefox) while the same opens in windows under firefox.<br>
Help<br>