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