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