gtk error

(pavucontrol:27230): GdkPixbuf-WARNING **: Cannot open pixbuf loader module file '': No such file or directory

This likely means that your installation is broken.
Try running the command
  gdk-pixbuf-query-loaders >
to make things work again for the time being.
**
Gtk:ERROR:gtkiconhelper.c:493:ensure_surface_for_gicon: assertion failed: (destination)