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