I cannot login to my email account. Yahoo changed things, I called and reset my password, and thru yahoo I can login to my email. But I want to use Thunderbird to login to my account. It keeps giving me the error message: login to account XXXXX"@frontier.com" failed. I tried reinstalling, but I can't perform a complete uninstall to get rid of the old settings? Some settings I want to keep, like the address book and message filters. Please fix