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