Pause processing comes up randomly in either a batch or just an individual image in Photo AI

Random occurence during use of app with a single image being processed or sometimes in a batch.Topaz just sticks on pause processing if I click the bar at the bottom I get an option to resume processing. I click this the blue bar top right moves across and then it goes back to pause. I can’t get any work done!

Steps to reproduce issue:

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Topaz Photo AI [v2.1.2] on [Windows 11]