[Cassie Jones (1gr8muggle)]

Those boxes indicate that the action is set to pause during certain steps.

If it has a black box, it means that it will pause at every step. If it has a red box, it will only pause at certain steps.

Click the little arrow next to the name of the action to expand it and see all the steps. You will see a black box next to any step it will pause on.

To get rid of these, simply click on the black box. If you're prompted that the change will effect everything and is undoable, do it anyway. You can change it back if you need to.

Basically . . . empty boxes = no pausing.