Go to the site, click on a Help or Support link (sometimes at the bottom of the main page), click around until you find something like "system requirements" to see what is necessary for that site. THINK!!! If you are trying to play Flash-based games, you do not even have Flash installed; look in Addons>Plugins in FF for Shockwave Flash. You have what most would consider spyware/adware installed; "My Web Search" in Plugins. Google it, read about it and how to get rid of it. THINK!!!