Filelight crashing

[Sonic]

Hello

   I've been using Filelight (from Fedora 11 repos) for some time now 
and it's been working fine. Recently, I notice that it crashes (always) 
on startup.
Can anybody help me identify what's wrong? The backtrace is attached.
I have kde* and qt* updated from the stable repos of Fedora 11 
(2.6.30.5-43.fc11.i686.PAE).

regards,

Syam Krishnan
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