Hi ! with bspwm and firefox i have no sound if i start xfce and then firefox sound work i already configured this in my bspwmrc file to start pulseaudio: /usr/bin/start-pulseaudio-x11 disable sandbox MOZ_DISABLE_CONTENT_SANDBOX=1 firefox also no sound Service all ok: systemctl --user status pulseaudio.service pulseaudio.socket ● pulseaudio.service - Sound Service Loaded: loaded (/usr/lib/systemd/user/pulseaudio.service; disabled; vendor preset: enabled) Active: active (running) since Wed 2020-07-08 09:36:05 CEST; 29min ago TriggeredBy: ● pulseaudio.socket Main PID: 1151 (pulseaudio) CGroup: /user.slice/user-1000.slice/user@1000.service/pulseaudio.service ├─1151 /usr/bin/pulseaudio --daemonize=no └─1169 /usr/lib/pulse/gsettings-helper Jul 08 09:36:04 HOME systemd[1034]: Starting Sound Service... Jul 08 09:36:05 HOME systemd[1034]: Started Sound Service. ● pulseaudio.socket - Sound System Loaded: loaded (/usr/lib/systemd/user/pulseaudio.socket; enabled; vendor preset: enabled) Active: active (running) since Wed 2020-07-08 09:35:57 CEST; 29min ago Triggers: ● pulseaudio.service Listen: /run/user/1000/pulse/native (Stream) CGroup: /user.slice/user-1000.slice/user@1000.service/pulseaudio.socket but if i start firefox i see this error if i want play a video on youtube: Failed to create secure directory (/run/user/1000/pulse): no permission sh: /usr/bin/jackd: no permission [Child 34377, MediaDecoderStateMachine #1] WARNING: 7fc3332f0c80 OpenCubeb() failed to init cubeb: file /build/firefox/src/firefox-78.0.1/dom/media/AudioStream.cpp, line 331 [Child 34377, MediaDecoderStateMachine #1] WARNING: Decoder=7fc333782000 [OnMediaSinkAudioError]: file /build/firefox/src/firefox-78.0.1/dom/media/MediaDecoderStateMachine.cpp, line 3891 [Child 34377, MediaDecoderStateMachine #1] WARNING: 7fc32e75b530 OpenCubeb() failed to init cubeb: file /build/firefox/src/firefox-78.0.1/dom/media/AudioStream.cpp, line 331 [Child 34377, MediaDecoderStateMachine #1] WARNING: Decoder=7fc3303e5800 [OnMediaSinkAudioError]: file /build/firefox/src/firefox-78.0.1/dom/media/MediaDecoderStateMachine.cpp, line 3891 cat /run/user/1000/pulse/pid 1151 ps -afe | grep pulse user 1151 1034 0 09:36 ? 00:00:02 /usr/bin/pulseaudio --daemonize=no