Why does GIMP complain about missing or wrong versions of libraries? …
Probably because it can’t find them. FIXME: some of the advice given here is incorrect and even dangerous. There are a couple of solutions. The best one, if you have superuser access on your system, or a cooperative system administrator, is to add GIMP’s library directory to the system library configuration. To do this, edit /etc/ld.so.conf to include /usr/local/lib and then type ldconfig and things should work from then on. If you can’t do this, add the directory to your LD_LIBRARY_PATH environment variable. Be sure you do this in your shell’s startup scripts as well. If you have old versions of the libraries, you will probably need to remove them first, especially if they are in standard system locations such as /usr/lib . Don’t just delete them, though; move them somewhere safe, install the new ones, and try again. Then make sure everything else still works; you may have other programs on your system which require the old versions. The ideal response in such a case is to rebuild all