How can I make my computer run faster?

Remove unused programs, make sure all spamware, spyware etc is removed, Get more memory, get a faster processor, get a newer computer.

System run faster with the configuration only; what is your configuration;
When your system working slow?

1. Remove spyware, and help protect your computer from viruses
2. Free up disk space
3. Speed up access to data
4. Detect and repair disk errors
5. Learn about ReadyBoost
6. Upgrade to Windows 7
I hope it can help you