When i try to install some application like 0launch http://rox.sourceforge.net/2005/interfaces/AddApp I obtain an error, it popu a window with title (0launch-gui) and content "category LC_ALL is not supported". Some goggle and I found http://sourceforge.net/p/zero-install/bugs/50/ which tell that the bug was was fixed in 0.54 Best regards Carlo
1.11 is in the tree