Quite a few times a day, both the latest Pan & Firefox available in standard CentOS repositories elicit what (now) appears to be a CentOS request to install fonts, e.g.: http://i39.tinypic.com/2i7qm2p.png This latest message says: Pan newsreader wants to install fonts - Thai - Cherokee At first I had thought it was Pan and Firefox causing these messages, but I was just told it's actually CentOS which is making these requests. Hence, I ask: Q: How do I debug why these requests are being made? And, more importantly: Q: How do I prevent these messages from popping up?