In that case you will find it at: <disk>:/Users/<user>/AppData/Roaming/insect-prison.
<disk>:/Users/<user>/AppData/Roaming/insect-prison
Just delete the settings.dat file.
settings.dat
Okay, I found it. There's sound again. I'm just gonna adjust it through my mixer for now.
All the settings on the left side works though so that's good at least.
Glad it worked for you.
That is a very vexing bug, which of the sound settings did you change? I’d like to take a look and have it fixed on the next version.
Both the sound settings got stuck for me.
This should be fixed with v0.65a :)