Is Your Computer Running Differently?

Is it slower than usual? Does the mouse jump unexpectedly? Do your keyboard taps take time to appear on the screen? Before you assume it is the age of the computer check out http://malwarebytes.org and run the scanner tool.
You may be a victim of Malware, malicious software. This is a very common problems

For products that protect, look at http://spywaretruth.net