We name the guilty applications.
Firefox. This pops up while browsing print.google.com. What document contains no data? What sort of data should it contain? What do you mean?
Copying files in Gnome. What's an invalid parameter?
This one popped up when I tried to connect to a remote server without plugging the network card in. God knows why it suddenly thinks the server is a "file" or a "folder" and starts worrying about security risks.