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Thunderbird no longer works

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I have been a user of Thunderbird email for many years. Recently, Xfinity (our cable provider) forced us to change some password. Following this, Thunderbird could no longer get new emails or send messages. Finally, a red X message said that Thun.valid Win 32 program" and couldn't be opened. Does anyone know what's up? Mike Gansecki

I have been a user of Thunderbird email for many years. Recently, Xfinity (our cable provider) forced us to change some password. Following this, Thunderbird could no longer get new emails or send messages. Finally, a red X message said that Thun.valid Win 32 program" and couldn't be opened. Does anyone know what's up? Mike Gansecki

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