If you’re wondering why your computer has suddenly slowed down and stopped working so well, then I strongly recommend that you do a bit of an investigation.  You can learn more about how your computer works as well as get a handle on different things that you can do in order to get it running properly again.  It’s tough to do everything you want, but the good thing is that this is very easy if you take some time to sit down and focus.  Reading a few computer blogs will help you to figure out what software is best for the job and you can go from there.