Why Is My Computer Running Slow?
Many things affect a computer’s speed and performance:
Cause #1: Your computer’s Windows registry stores information about the its configuration like a database. Installing and uninstalling software will make your registry a mess, keeping your computer running slow and causing computer crashes.
The registry size keeps growing when you use Windows. When the registry becomes very large, your computer’s performance will be slow and unstable. Some computer users even spend a lot of time trying to edit the registry manually. This can be a risky and laborious task.
Cause #2: After long-term use of a computer, the downloading of a large number of music, videos and movies from the Internet may result in your computer running slow. 
Its just like when your room becomes a mess without cleaning; our computer will be filled with a mass of junk files or duplicate files after a long operation too. These useless files use up some of the storage space of your hard drive as the “junk” accumulates.
Cause #3: When you surf the internet, some malicious plug-ins may automatically be installed in the computer through security loopholes in the system. These malicious plug-ins may change your system registry entries causing many different kinds of errors or problems in your PC.
Cause #4: The incorrect and incomplete un-installation or deletion of some files or applications may feed your system registry with invalid registry information. You might have unsuccessfully uninstalled certain applications or not used the “Add or Remove Programs” on “Control Panel”, or maybe certain objects or files have been moved inappropriately. These unknown or misplaced files can have a lot to do with “why is my computer running slow”. And it maybe that you see the start up process of your computer is much slower than before also.
How to increase computer speed? Your best, safest and fastest method of seeing what is causing your computer to be slow is to check out this “state of the art” slow computer fixer Click Here! Try the FREE scan and see the problems hiding in your slow computer.
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