Hi Gary,

awesome, thank you for the description!

On 4/18/25 7:26 PM, gary garcia wrote:
when I run the flowgraph
it produces the errors I have listed earlier and then the flowgraph stops
and I am back in the QT GUI editor

I think you mean GRC, right?

when I run the chmod command the first error goes away and the others remain
when I replace the audio source with a signal generator the flowgraph 
simulation runs

I need to install pulseaudio into my ubuntu system and then connect that to the 
audio block

If anything, you need to install a Pulseaudio *natively on windows*, so your Ubuntu WSL2 machine can connect to it via (virtual) network.
I haven't run GNU Radio on WSL2.

Very very honest and innocent question: why did you take the route of installing GNU Radio in WSL2 on your Windows machine? It's usually much easier to just install it on Windows directly - we have an installer for that – and then it can talk to the Windows audio system directly.

Best regards,
Marcus

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