Bonjour, I tried to launch Konqueror but get this answer: etienne@paquerette:~$ konqueror Xlib: extension "RENDER" missing on display ":0.0". It is the same with libc6 2.2.4-1 and libc6 2.2.4-3 I'm running linux 2.2.17 with debian testing/unstable Merci pour votre aide Etienne