Unable to open "My Yahoo" home page. Get a blank screen. I have used Firefox and My Yahoo for years.

Reload web page(s) and bypass the cache. * Press and hold Shift and left-click the Reload button. * Press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux) * Press "Cmd + Shift + R" (MAC) Clear the cache and the cookies from sites that cause problems. "Clear the Cache": * Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now" "Remove Cookies" from sites causing problems: * Tools > Options > Privacy > Cookies: "Show Cookies"