Clear the cache and the cookies from sites that cause problems. * "Clear the Cache": Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now" * "Remove the Cookies" from sites causing problems: Tools > Options > Privacy > Cookies: "Show Cookies" ---- Other things that need your attention: Your above posted system details show outdated plugin(s) with known security and stability risks that you should update. * Shockwave Flash 10.0 r22 * Java Plug-in 1.6.0_07 for Netscape Navigator (DLL Helper) Update the [[Managing the Flash plugin|Flash]] plugin to the latest version. *http://kb.mozillazine.org/Flash *http://www.adobe.com/software/flash/about/ Update the [[Java]] plugin to the latest version. *http://kb.mozillazine.org/Java *http://www.oracle.com/technetwork/java/javase/downloads/index.html (Java Platform: Download JRE)

Try the solution in this link: http://support.mozilla.com/en-US/questions/806899 Essentially, this involves removing the CSS stylesheet via View -> Page Style -> No Style. See the link above for screenshots and more detailed directions.