whenever i try to download or install something on my toshiba windows 10 laptop..or close it out..It alway says...: Cant shut down bcuz installation still running ...but cant find what or where it is or what it is??? or i try to install something or update something a note will say..Please close the installation you are currently running to proceed with your installation..Any suggestions how i can find and close what is currently installing in the background?? Thank you any help is appreciated!!