FreeFileSync Forum

Where do I find the sources?

I get this Error when trying to run. Won't do anything unless I launch via the
terminal and then I get this code.

error while loading shared libraries: libgtkmm-2.4.so.1: wrong ELF class:
ELFCLASS64

I've looked in my package manager and see that I have both libgtkmm-3.0-1 and
libgtkmm-2.4-1c2a ...