Hello, I have a problem with PulseAudio Volume Control, when I want to open the programm from the menu, I have an error message like this : « Connection failed: Connection refused » With "pulseaudio" in a terminal : E: main.c: Failed to create '/tmp/pulse-sicheng': Opération non permise (french : operation not autorised ) I tried "pulseaudio -D" in a terminal, it return me : E: main.c: read() failed: Aucun fichier ou répertoire de ce type (none of this type of file folder) E: main.c: daemon startup failed. Anyone knows how to solve this problem? Thank you for your help.