Could you run "dpkg -S /usr/lib/gtk-2.0/2.10.0/engines/libbluecurve.so"? The backtrace show it's trying to open that file which is not shipping on a standard Ubuntu installation, if you are trying to use a binary from an another distribution or lacking that file that's not an Ubuntu bug
Could you run "dpkg -S /usr/lib/ gtk-2.0/ 2.10.0/ engines/ libbluecurve. so"? The backtrace show it's trying to open that file which is not shipping on a standard Ubuntu installation, if you are trying to use a binary from an another distribution or lacking that file that's not an Ubuntu bug