Do you have libgnome2.0-cil installed? Which version and what is the
content of /usr/lib/mono/gac/gnome-sharp/2.8.0.0__35e10195dab3c99f
/gnome-sharp.dll.config ?
** Changed in: monodevelop (Ubuntu)
Status: Unconfirmed => Needs Info
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monodevelop 0.10 can't start up
https://launchpad.net/bugs/44356