Also, your DpkgTerminal log contains the following:
Cannot open pixbuf loader module file '/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache': No such file or directory
This likely means that your installation is broken.
Try running the command
gdk-pixbuf-query-loaders > /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache
to make things work again for the time being.
Also, your DpkgTerminal log contains the following:
Cannot open pixbuf loader module file '/usr/lib/ x86_64- linux-gnu/ gdk-pixbuf- 2.0/2.10. 0/loaders. cache': No such file or directory
This likely means that your installation is broken. pixbuf- query-loaders > /usr/lib/ x86_64- linux-gnu/ gdk-pixbuf- 2.0/2.10. 0/loaders. cache
Try running the command
gdk-
to make things work again for the time being.
You might want to fix that up as well.