Secondly, the “base container” folder should not be the “model” folder, but the folder immediately under “Airplanes”. The “base container” setting should look like this:
You did it correctly with the F/A-18E and a problem here should not hinder the texture extraction.
Thirdly, it is expected that the action buttons gray the interface out, since they depend on the project settings and these settings should not change when actions are running. The problem is that the interface should be available after the action is concluded. There is a way to find out if there was an unexpected error in this process: open the terminal window.
If there is an error, it will look like this:
That part from “Exception” to the bottom is what will appear if an error happens. This is probably the case if the program freezes. If there is something like this, please send me.