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