If you are getting notifications from FocusAhead, then your Mac is infected with adware. FocusAhead is adware for Mac.
FocusAhead changes setting in your Mac. First, FocusAhead installs a browser extension in your browser. Then, after FocusAhead hijacks your browser, it modifies settings in the browser. For example, it changes the default home page, modifies search results, and displays unwanted pop-ups in your browser.