Pretty sure it's going to one, or a combination of these things the guys have suggested.
Hang on in there - and welcome to the forum.
Incidentally, make a point of putting your system specs in your signature like a lot of us have done.
During your learning curve you're probably going to on here a lot trying to work things out, and you'll soon be fed up with posting the same stuff and we'll be fed up having to keep asking for it.