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