I have just checked in the repos, and by clicking on properties in xulrunner it says i have the latest version.
however when I click on libpng it has the prefix 3, although the properties box says it is the latest version, when I posted the error message from the terminal, I could not find the file libpng12.so.0, could this have something to do with it?.
Also in my ignorance I assume to upgrade any of the repos, I just press the reload button, is that correct.