I am trying to set up Thunderbird on a new PC (my old PC died following a power outage). Trying to set up a New Account, I enter the email address I normally use. It asks me for a password. I have tried passwords I have just set up for Mozilla, Thunderbird, Virgin (three of them) and even Google. I am sick of seeing ‘Authentication error’ with not help offered. I never set up a password when I started using Thunderbird many years ago. I keep all my password. There is no option when a password is forgotten or for a new one to be set up. If you can’t or won’t assist, can you recommend a different email app. I have spend so long on this! Cheers, Ken Bailey