It almost never crashes while processing only when the audiofile is being closed/written.
Would you please look into that issue as this is a pretty annoying and time-consuming problem as
all other files in the process have to be complete batched again.
Your plugin batch list is long. This means, when you run in multiple threads, these plugins are also duplicated, which adds “stress”. The block point might happen when plugins are released. Try this option, if not already activated:
Also, try use the upcoming WaveLab patch.