Serious bugs on kmail and kontact on kde 4.4.1

Hi,
I am using Fedora 12 updated.
I am composing an email, if I close kontact, the email goes to the air,
I lost all information and don't ask anything.

I add a contact on kaddress, on personal contacts and on std.vcf.
I compose a new email and can't add those contact because doesn't
appears. What I have to do to have the new contact on what kmail call
"default address book"

any change to recover my email ? I spend plenty of time to write it. 

Thanks, 
-- 
Sérgio M. B.

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