(wfica:13824): Gtk-WARNING **: 19:04:48.132: Unable to locate theme engine in module_path: "adwaita",
Can not load /nix/store/bvms3la3k336qlbxvz0b5x4cpmmnxa50-citrix-receiver-13.10.0/opt/citrix-icaclient/lib/ctxh264_fb.so: libstdc++.so.6: cannot open shared object file: No such file or directory