It may be this was the error which was preventing your prefs from saving previously - it looks like it’s trying to get a list of your sound devices and getting nothing back, so is hitting an index error when it looks for the 1st element as there are 0 elements. I’ll look into this, it should be simple to add something to catch this error so that at least the rest of your prefs can save, but I’ll try to figure out specifically why it can’t get access to your sound devices!