In the first window you can view a list of spyware that the application is able to remove. The next window allows you to select the type of scan you wish to perform. The quick mode takes only a couple minutes to complete, while the full scan is more time
‘Manually’ install and running 5.119 seems to eliminate the update message during shutdown for one cycle; it will be back on the next shutdown. Numerous subsequent attempts have failed. I have stopped and started Windows update.