Yep, I have same problem...
I've seen FAQ on Kopetes page ist says "Running some kernel called 2.4.22something? Kopete normally sends the kernel version to the MSN server as a user agent, but the MSN server can't handle words in there. So put on your best grin and fake it - add the following to $KDEDIR/share/config/kopeterc, in the [MSN] section: UserAgent=0x0409 winnt 5.1 i386 MSNMSGR 5.0.0 MSMSGS . This way you look like a windows box and the server lets you connect." tryed this... but
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