Having issues with my laptop and need some advice.

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I find that more and more, I have to reboot my laptop because it starts lagging and freezing. I find that my virtual memory is being eaten up by sites like Facebook and some other sites. I'm wondering if increasing my memory capacity will help, I have 1 gig of ram, have room for an additional 1 gig. The other issue is the number of processes running, I have about 45 processes on average running, not all mine, and I close down a handful of the ones I use when I start lagging, but it doesn't always help. I have some programs installed on my laptop and I wonder what they are and if I can remove them if I don't need them. The programs that I'm wondering about are in the screenshot posted, with the exception of the Excel Viewer. But the other ones in the box and the one underlined, I don't know what they are and if I really need them on my system. Another annoying issue is the cooling pad. I have one that has 3 fans, but it simply doesn't cut it and my laptop is overheating constantly. I know that's not good for it, but I don't know what to do about that. I wonder if simple elevation is all that's needed to keep it cool, if I should elevate the laptop while it's on the cooling pad. The heat in this laptop has always been an issue. I can't take the laptop apart to blow out the inside of it, I took all the bottom screws off, but it won't open. If I was able to do that, I know I could blow out the internal fan and hopefully help that issue a bit. I don't know if age is a factor, the laptop is 7 years old. Any advice or suggestions will be greatly appreciated as I'm not sure what to do.