>>It's possible you accidentally blocked it once and it's in your list. You might check that and put it in the allow list instead. Or uninstall completely and reinstall comodo and make sure you allow the first time you are prompted. Is it remembering what you allow? It sounds like you have the version that had that bug in it.
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>What is your version and if you define a trusted application, is there a way to see the list of what you defined? When I go to this dialog, I can select and apply, but I don't see how the changes apply.
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>My version is 3.13.

Same version. Check under Defense+ / Advanced / Computer Security Policy. You should be able to see all the stuff on each file.