Here is a few things I found to help your computer run better
Also! Check out Thelovefool's thread for a good way to speed up your pc ~HERE~
*WARNING WALL OF TEXT AND PICTURES*
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1 Advanced System Care
ADVANCED SYSTEM PRO
Protect and speed up your computer with Advanced SystemCare PRO (formerly Advanced WindowsCare Professional)! It provides an always-on, automated, all-in-one PC Healthcare Service with anti-spyware, privacy protection, performance tune-ups, and system cleaning capabilities. This powerful and award-winning precision tool fixes stubborn errors, cleans out clutter, optimizes internet and download speeds, ensures personal security and maintains maximum computer performance automatically.
This program has two versions, free and Pro. The pro version has a few more features for cleaning. To upgrade to Pro it costs $19.99. If you would like a Pro edition PM me as there is no warez on the site


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2 Smart Defrag
SMART DEFRAG
Smart defrag is a defragmenting tool that gives you three different types of defragmentation for what you need. As well as work better than the tool provided with your computer.
There is also a verson for servers!
Defrag Server with Smart Defrag Server to optimize server disks with all RAID supported. Smart Defrag Server 2010 ensures no server downtime and optimize disk and system with the fasted speed than other tools. Flexible defrag scheduling is offered.

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3 CCleaner
CCLEANER
CCleaner is a freeware system optimization, privacy and cleaning tool. It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history. Additionally it contains a fully featured registry cleaner. But the best part is that it's fast (normally taking less than a second to run) and contains NO Spyware or Adware!
Visit Ukrainia's thread for more info on CCleaner ~HERE~

!!!!!!!!!DISCLAIMER!!!!!!!!!
I take no responsibility if something doesn't work, or if you delete something which causes your computer to not work , etc. So dont blame it, do this at your own risk.
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4 A Good Anti-virus
In order for your computer to run better you have to make sure there is nothing already in your computer hurting it's performance.
Norton and Kaspersky are two very well rated anti-viruses but cost money.
(Norton and Kaspersky)
There are also free programs out there, like AVG and IOBit's Security 360.
(AVG and Security 360)
Make sure to scan your computer fequently , especially after downloading from the internet. Most anti-viruses also come with anti-spyware.
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5 ReadyBoost
READYBOOST
Do you have a spare external hard drive lying around that you never use? Maybe a flash drive or two? Well since the release of Vista, Windows has a feature that lets you use external memory to benefit your own!
1) Just plug in your external hard drive or flash drive.
2)Click start > Computer

3) Find your external hard drive > Right Click < Select Properties

4) Select ReadyBoost!!

Could that be any easier?
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6 Check Hard Drive for errors
How to perform disk error checking in Windows XP
This will ensure there is nothing malfunctioning in your hard drive that would possibly slow down your computer!
1) Click Start > Computer

2) Find your Hard Drive > Right Click > Select Properties

3) Click the Tools tab > Under Error-checking Select Check Now

You will have to restart your computer for the error checking to occur!!!
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If you play WoW
Check out L0st's thread on making your WoW run better! Goes along good with making your computer! ~HERE~
~~Credits!!~~
IOBit
Norton
AVG
Kespersky
Windows
L0st
Ukrainia
Thelovefool
Thanks for reading!
~Ryan