By Shlomo Shamir, Haaretz Correspondent: N.Y. court to rule on dispute between warring Chabad wings
Talkback
Title:Chabbad is a chilul haShem- a desecration of G-d`s name
Name:Frum Jew
City: IsraelState:
Besides the fact that religious Jews don`t believe that the moshiach died/disappeared and will come back (that`s Christianity), to turn to ANY non-halachic court is forbidden by Jewish law and is a desecration of G-d`s name.

Just another reason (of many) whyChabbad is outside the pale of normative Judaism.