locked Unable to start-up

Jim Sharp

Help please
Not sure how to get JTAlert working  since when I start up (have installed the latest version today (2.15.10) and with prior versions, I get an box requesting the sound card.
I select speakers/headphones (Realtek) and the box crashes with the only option to close out as it goes into "not responding" /close the program.

Please see attached 

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