Sound stopped working

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http://forums.fedoraforum.org – Fedora 17 KDE Soundblaster Audigy sound card - I was opening my phonon configuration to check what backends I have and since then I don't have any sound at all. In the Device Preferences, my "SB Audigy Degital Sterei (IEC958)" and "SB Audigy Analog Stereo" are always grayed out. Until a few minutes ago I at least could select "Generic HD Audio Device", but that one is now gone as well. I also keep getting messeges like in the attachment when going to the multimedia options after a restart. The backends I have are GStreamer and VLC. Since this is frequently re (HowTos)