Mac 10.5 mail application quit unexpectedly

[pibergov]

Hello everyone,
I just moved from windows to apple and when I opened mail and set my yahoo account in it, the application downloads all my messages {about 1200} and so far all is ok. But as soon as I click on one of these messages or any RSS, the application quits and I get " mail application quit unexpectedly" msg.
Any idea ?

 

[Satcomer]

Well how did you "download" the email? Did you signed up for Yahoo Mail Plus?

 

[pibergov]

no, does that make a difference ?