Suddenly no sound anymore

[MartinPrins Profile]

I've been using Christv for a very long time. Recentrly the sound has disappeared more or less spontaneously . As far as I know I did not change anything on the system - except for automatic upgrades. Sound in itself is OK (e.g. when listening to internet radio(

I've tried all kind of settings, but I cannot get it solved.

ChrisTv version: 5.80, TV Card: Pinnacle 340e (USB-stick)
Processor: Intel E7400 @ 2.80 GHz
Windows Vista Home Premium, 32 bits.
I incleded the log file.