See http://kb.mozillazine.org/Error_loading_websites - "Error_loading_some_websites" Make sure that your firewall or router isn't blocking that site. ---- Other things that need attention.<br> See http://www.mozilla.com/plugincheck/ Your above posted system details show outdated plugin(s) with known security and stability risks that you should update. # Shockwave Flash 10.0 r32 # Next Generation Java Plug-in 1.6.0_17 for Mozilla browsers Update the [[Managing the Flash plugin|Flash]] plugin to the latest version. *http://www.adobe.com/software/flash/about/ Update the [[Java]] plugin to the latest version. *http://www.oracle.com/technetwork/java/javase/downloads/index.html (Java Platform: Download JRE)