I tried to debug the issue this morning.
What I discovered during the run from terminal was that KoboSetup.exe is complaining about missing keyring libraries. Found on Google that solution might be to run Wine from PPA. Which turned to be the dead end, wine 1.5.8 is trowing hard page fault when I attempt to run KoboSetup (and still complains about missing gnome-keyring-pkcs11.so).
It looks likely that only 64-bit boxes are affected, it looks likely that Ubuntu's handling of multiarch is the culprit.
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