[stomachmonkey]

Processes are things that you interact with. Launching a web browser page results in a process. You are the owner of the process. Generally without you invoking it it won't run.

Services are things that the operating system owns which is why you get "Access Denied". Stuff like the clock, networking, is a service.

You can kill processes, you should not try to kill services as bad things can happen.

Flash is a POS. Has always been a memory pig. You don't need it. It's a near dead technology anyway. If you are hitting sites that require it's use then avoid those sites.