i have had problems like that too. i would just keep trying different things, sometimes it just as simple as restarting your computer and starting again.
to find running programs
then u will have a window appear go to task manager. there u will see all the programs u have running at the time. if u have any farther questions let me know...
I have been trying to install Windows Updates but at the end of installation it says "Setup was unable to install all components. Please close all applications and try running setup again". I have no idea how to do this. Can anybody help me?