Capture 21 is slow on Mac - what would be the reasons?

Dear, a pleasure to contact you to send you an inquiry.
Since I made the last update, I could verify that Capture runs somewhat slow in general.

Something particularly strange that he started to do to me and that he did not do before is the following:
I could notice that it is permanently processing something. The processing icon does not disappear and is permanently active:

It would be helpful if you give me guidelines to solve this problem as it affects my workflow

I await your comments
From already thank you very much

Sergio, from Buenos Aires, Argentina