Cannot start Gnome after updaet to 4.2 [Solved]

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hello,
dont really know if it has anything to do with it but another error message is tepped over in the .xsession-errors:
gtk+ version too old (micro mismatch)

# equo search gtk+
>> @@ Paket: x11-libs/gtk+-2.16.1 branch: 4
>> Verfügbar: Version: 2.16.1 ~ tag: NoTag ~ Version: 0
>> Installiert: Version: 2.16.1 ~ tag: NoTag ~ Version: 0

maybe somebody knows something about it?

greeting.. xtc.