Kde Desktop Share Bug on kubuntu 10.04?

[Rofail Qu]

My OS is kubuntu 10.04

Q1
Two Kde Desktop Share(krfb) windows shows every time OS started.
Can I leave it background, and why there are TWO windows?
ps. I have dual monitor display. Is there any relationship?

Q2
Every time i open krfb, one more krfb process created.
Even when i has closed the krfb window, the process still living.
And when i start OS, there has being two krfb process here!

Every process takes much cpu&ram resource.
See "snap.png" for my cpu&ram usage

Is it a bug? How could I do with it except for kill them every time by hand?

Thanks.
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