Looks like MS updated their protocol busting MSN login on kopete.
Please see bug reports here:
https://bugs.kde.org/show_bug.cgi?id=285803
and here:
For those like me who are either too lazy or chronologically challenged to compile from source there is a working updated version here:
download.opensuse.org/repositories/home:/lemmy04/
File : libmsn0_3-4.2-39.1
I can confirm this is working.
Thanks to Lemmy04