Make Windows XP faster and optimal (without software)

Selecting startup programs that need
This section should always be checked by you, because if it contains a virus / spyware / malware, your computer is so slow. To open this startup, run the START -> RUN, type msconfig, open the startup tab.
This is where the look of all programs that run at startup. You can check one by one file dihardware, located in what folder. If you have time, right-click the file, see its properties, continue to see the version and who the maker. If it is from Microsoft or other sources that you believe is safe. If there are unnecessary programs, remove the check in line that would be disabled.
Turning off unnecessary services
Still in the msconfig window, open the services tab. It is a service that automatically run at startup windows. There are some services that are not necessary and should be turned off, namely:
Automatic Live Update Scheduler. This service if you do not want automatic updates windows, or your computer is not connected to the Internet at all.
Error Reporting Service. If you ever see a window whose content "error occurred ...." There continues to send or do not send option. That's the order of this service. We usually choose to do the send, so this service should be turned off.
Live Update, the same as the Automatic Live Update Scheduler.
Automatic Updates, the same as the Automatic Live Update Scheduler.
Remote Desktop Help Manager. Used to help you if you experience difficulties or errors in windows, you can ask your friends to access your computer remotely (internet). If you never wear it, this service should be turned off.
Remote Registry. To access the registry (file setting windows) from a distance. Should be turned off.
Uninterruptible Power Supply (UPS). This is only used if your computer is using a UPS, which is a useful tool for storing electrical energy when the power goes out. Turn off this service if you do not use UPS.
Log.Windows event log records all of what happened in windows. If you never use the event logs (in the Control Panel -> Administrative Tools), then this service may be turned off.
Windows Audio. May be turned off if your computer without a sound card.