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