Good day!
Again, can’t find where can I delete all the logs.
There is no GUI option at the moment the only thing you can do is delete the whole logfile.
%ProgramData%\Comodo\Firewall Pro\cfplogdb.sdb
Thank you again Ronny! You’re always the first to answer my questions   
Ah no prob, that must be a coincidence   glad i could help!
 glad i could help!