Strange kmail problem

[Anne Wilson]

I installed FC6 on this box yesterday, with only minor problems, except...

KMail is totally unstable, crashing every few minutes and often causing 
system freezes.  I don't see how I can file a bug report, because I have 
a laptop that ran rawhide and converted to FC6 and kmail is perfectly 
stable there.

Can anyone suggest any starting points for investigation?

Anne