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