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