Le 16/09/2011 19:32, Timothy Pearson a �crit : >> Hello all, >> >> I did the same (double) error twice, with obviously the same result >> twice. The first time, I continue to use the system, which meant that I >> did not know where was the error. >> >> The objective was to install Firefox 5.0. >> 1 - I copied a directory /usr/local/firefox/ from a system used before >> 2 - I tried to edit a firefox icon coming also from the other system, >> 3 - I completely uninstalled firefox using Synaptic (that did not >> removed the ~/.mozilla/). > <snip> > > When you deinstalled Firefox I think you took > kubuntu-default-settings-trinity with it. Check to make sure that it is > still installed. > > Tim Hi Tim, Indeed, the package "kubuntu-default-settings-trinity" was automatically added. Simply reinstalling the package should be enough to restore my system, if I have this trouble again? Sincerely, Patrick