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