What Makes Your Computer Slow?
When your computer starts to slow down it can be not only frustrating, it can be a sign of something going wrong on your system. There are many reasons why your computer may be slowing down and you should understand what those reasons are so you can get it fixed before any serious damage is done. Below are a few of the main reasons why your computer may be slowing down and tips on how to fix them.

Registry
Your registry is the main infrastructure in your computer and for everything you do on your system a line is created. This is designed to make your computer run faster but it can be the cause of a slow down if there are errors in your systems registry. Over time your registry may become bloated with so much information that it can slow down, or you may have a corrupt file or even malware that is causing the issue.
Download a good registry cleaner and run a backup before repairing the errors that are found in the registry. Cleaning your registry manually can be tedious and risky, so save yourself some time and frustration and download a program to do it for you.

Malware
Malware can be adware, spyware, Trojans, viruses or other malicious software that can cause damage to your system. The effects of the malware can be minimal to dramatic, so you need to protect your computer and your information.
Install anti-virus software on your computer and always run the updates to keep it current. Ensure that the settings protect your computer from network intrusions, e-mail attachments, and suspicious websites and is always turned on.

Software 
There are times that software issues are the cause of your slow system and pin pointing them can be difficult. If you uninstalled a program using an improper method you may receive an error at startup or when you try to open the program or you may be experiencing issues after installing a program that is not compatible with your system.

Keep a close watch on when your system locks up or becomes slow, try to narrow the software issue down and once found you can repair the problem. You can find online diagnostic software that will scan your entire system and let you know of any errors, corrupt files, incompatibilities or other issues that it finds and it will offer you the ability to fix them on the spot.

Hardware
Faulty hardware can be a common cause to a slow computer. If your memory is failing, hard drive has bad clusters or your video card is beginning to fail you will experience lock up, bogging down and an overall system slow down.

Check online for diagnostic software that can be downloaded to help you determine if you have any hardware issues. If you have a hardware issues the only resolution will be to replace the hardware giving you the grief. Most hardware issues can be handled without the help of a technician and require little experience.