it's probably this one:
http://bugzilla.mozilla.org/show_bug.cgi?id=74902
"Crash on open, then immediate close of MailNews window"
K.
Orrin Edenfield wrote:
> Troy Telford wrote:
>
>> This one is a bit odd; I'm pretty sure it's a bug, as it's been around
>> across many, many builds of Mozilla, across multiple OSes.
>>
>> I currently have 3 mailboxes set up in Mail/News.
>>
>> Two use the same server for mail (different accounts). All are IMAP.
>>
>> Mozilla is set up to auto-login to each account, and to clean up the
>> trash before exiting.
>>
>> During a session, if I close mail/news (after opening it once), it
>> closes properly.
>>
>> However, if I open Mail/News again, do whatever... and then close the
>> mail/news window - Mozilla crashes.
>>
>> Does this sound like a setting problem, or like a bug?
>>
>> Thanks,
>>
>> Troy
>
>
>
> I've seen the same problem and I have one POP3 account and a newsgroup.