If you are getting notifications from FractionControl, then your Mac is infected with adware. FractionControl is adware for Mac.
FractionControl changes setting in your Mac. First, FractionControl installs a browser extension in your browser. Then, after FractionControl 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.