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