I have installed gimp (sudo apt install gimp) on a fresh installation, but when I try to start gimp I get this error:
gimp: error while loading shared libraries: libgtk-x11-2.0.so.0: cannot open shared object file: No such file or directory
I have tried to install libgtk-x11 manually, from the libgtk2 package but it didn't worked.
This is ldd output:
ldd /usr/bin/gimp
linux-vdso.so.1 (0x00007ffd63bcd000)
libgimpwidgets-2.0.so.0 => /usr/lib/libgimpwidgets-2.0.so.0 (0x00007f4b34e34000)
libgtk-x11-2.0.so.0 => not found
libgdk-x11-2.0.so.0 => not found
libgimpconfig-2.0.so.0 => /usr/lib/libgimpconfig-2.0.so.0 (0x00007f4b34e1c000)
libgimpmath-2.0.so.0 => /usr/lib/libgimpmath-2.0.so.0 (0x00007f4b34e15000)
libgimpthumb-2.0.so.0 => /usr/lib/libgimpthumb-2.0.so.0 (0x00007f4b34e09000)
libgimpcolor-2.0.so.0 => /usr/lib/libgimpcolor-2.0.so.0 (0x00007f4b34dee000)
libgimpmodule-2.0.so.0 => /usr/lib/libgimpmodule-2.0.so.0 (0x00007f4b34de6000)
libgimpbase-2.0.so.0 => /usr/lib/libgimpbase-2.0.so.0 (0x00007f4b34db6000)
libgdk_pixbuf-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0 (0x00007f4b34d90000)
libpangocairo-1.0.so.0 => /usr/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0 (0x00007f4b34d81000)
libpangoft2-1.0.so.0 => /usr/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0 (0x00007f4b34d68000)
libpango-1.0.so.0 => /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0 (0x00007f4b34d1d000)
libfontconfig.so.1 => /usr/lib/x86_64-linux-gnu/libfontconfig.so.1 (0x00007f4b34cd8000)
libfreetype.so.6 => /usr/lib/x86_64-linux-gnu/libfreetype.so.6 (0x00007f4b34a24000)
libharfbuzz.so.0 => /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0 (0x00007f4b34971000)
libcairo.so.2 => /usr/lib/x86_64-linux-gnu/libcairo.so.2 (0x00007f4b34851000)
libgegl-0.4.so.0 => /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0 (0x00007f4b347a0000)
libgegl-npd-0.4.so => /usr/lib/x86_64-linux-gnu/libgegl-npd-0.4.so (0x00007f4b34794000)
libgio-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 (0x00007f4b345f0000)
libbabl-0.1.so.0 => /usr/lib/x86_64-linux-gnu/libbabl-0.1.so.0 (0x00007f4b34512000)
liblcms2.so.2 => /usr/lib/x86_64-linux-gnu/liblcms2.so.2 (0x00007f4b344b8000)
libgexiv2.so.2 => /usr/lib/x86_64-linux-gnu/libgexiv2.so.2 (0x00007f4b34298000)
libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f4b3407b000)
libmypaint-1.3.so.0 => /usr/lib/x86_64-linux-gnu/libmypaint-1.3.so.0 (0x00007f4b33e67000)
libgobject-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 (0x00007f4b33e13000)
libglib-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007f4b33cf6000)
libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f4b33b69000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f4b33b48000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f4b3395e000)
libgtk-x11-2.0.so.0 => not found
libgdk-x11-2.0.so.0 => not found
libgmodule-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgmodule-2.0.so.0 (0x00007f4b33956000)
libthai.so.0 => /usr/lib/x86_64-linux-gnu/libthai.so.0 (0x00007f4b3394b000)
libfribidi.so.0 => /usr/lib/x86_64-linux-gnu/libfribidi.so.0 (0x00007f4b3392c000)
libexpat.so.1 => /lib/x86_64-linux-gnu/libexpat.so.1 (0x00007f4b338ef000)
libuuid.so.1 => /lib/x86_64-linux-gnu/libuuid.so.1 (0x00007f4b338e6000)
libpng16.so.16 => /usr/lib/x86_64-linux-gnu/libpng16.so.16 (0x00007f4b336b4000)
libgraphite2.so.3 => /usr/lib/x86_64-linux-gnu/libgraphite2.so.3 (0x00007f4b33687000)
libpixman-1.so.0 => /usr/lib/x86_64-linux-gnu/libpixman-1.so.0 (0x00007f4b333e2000)
libxcb-shm.so.0 => /usr/lib/x86_64-linux-gnu/libxcb-shm.so.0 (0x00007f4b333db000)
libxcb.so.1 => /usr/lib/x86_64-linux-gnu/libxcb.so.1 (0x00007f4b333b2000)
libxcb-render.so.0 => /usr/lib/x86_64-linux-gnu/libxcb-render.so.0 (0x00007f4b333a3000)
libXrender.so.1 => /usr/lib/x86_64-linux-gnu/libXrender.so.1 (0x00007f4b33199000)
libX11.so.6 => /usr/lib/x86_64-linux-gnu/libX11.so.6 (0x00007f4b3305f000)
libXext.so.6 => /usr/lib/x86_64-linux-gnu/libXext.so.6 (0x00007f4b32e4d000)
librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f4b32e41000)
libselinux.so.1 => /lib/x86_64-linux-gnu/libselinux.so.1 (0x00007f4b32c19000)
libresolv.so.2 => /lib/x86_64-linux-gnu/libresolv.so.2 (0x00007f4b32bfe000)
libmount.so.1 => /lib/x86_64-linux-gnu/libmount.so.1 (0x00007f4b32ba5000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f4b32b9f000)
/lib64/ld-linux-x86-64.so.2 (0x00007f4b35618000)
libexiv2.so.14 => /usr/lib/x86_64-linux-gnu/libexiv2.so.14 (0x00007f4b326f5000)
libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f4b3256b000)
libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f4b32551000)
libjson-c.so.3 => /lib/x86_64-linux-gnu/libjson-c.so.3 (0x00007f4b32346000)
libffi.so.6 => /usr/lib/x86_64-linux-gnu/libffi.so.6 (0x00007f4b3213e000)
libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f4b320ca000)
libdatrie.so.1 => /usr/lib/x86_64-linux-gnu/libdatrie.so.1 (0x00007f4b31ec1000)
libXau.so.6 => /usr/lib/x86_64-linux-gnu/libXau.so.6 (0x00007f4b31cbd000)
libXdmcp.so.6 => /usr/lib/x86_64-linux-gnu/libXdmcp.so.6 (0x00007f4b31ab7000)
libblkid.so.1 => /lib/x86_64-linux-gnu/libblkid.so.1 (0x00007f4b31a66000)
libbsd.so.0 => /lib/x86_64-linux-gnu/libbsd.so.0 (0x00007f4b3184d000)
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: gimp 2.10.6-3
ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
Uname: Linux 4.18.0-10-generic x86_64
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Nov 14 18:05:57 2018
SourcePackage: gimp
UpgradeStatus: No upgrade log present (probably fresh install)
Status changed to 'Confirmed' because the bug affects multiple users.