Image via WikipediaIf you have noticed that your computer is running a lot slower than normal the first thing you should do is scan for malaware and viruses because there is every possibility that you may have picked something up along the way. If this proves to be OK, the solution may well be to invest in more computer memory as it may well be that the amount or type of programs you are running may well be memory intensive and more memory may be just what you need. I know it worked for me.