The simple ELI 5 answer that I have to use with a lot of clients is You can ' t change something that is being used . If the change being made is essential to the devicesystem , the only way it can be modified i . e updatedupgraded is to restart it . During the next start up process , the change is applied . In the case of computers , some nonvital processes or programs can be resetrestarted by themselves . Other processes are what is keeping the computer running , so the whole system needs to be reset in order to change them <| sep |> Lucky ! My 2 3 dotted medals were Cogsworth and Jasmine T But I at least got a Vanitas , so I guess I ' ll take it . I also got Lea , who was the epic for this weeks carnival that I wanted the most , so I shouldn ' t complain too much .