Check to make sure no programs are running in the background checking for updates. Do a system defrag, run Spybot, and if you absolutely have to, upgrade the system memory. 256MB is the bare minimum for Windows XP nowadays. My guess is that something is running in the background.
Go to the start menu>run> then type in "Msconfig" and click on the start-up tab to see what is set to run at startup. If you want, type in here everything that shows up and we can tell you what looks shady. Or do ctrl+alt+delete to get your task manager to show up and delete all processes under your login name and see if that speeds things up. Dont worry, if you stopped something you shouldnt have, reboot the system and they will be there again.
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Are you running it on battery or power? Try `right` clicking on the power management button near the time and make sure that is selected on max performance. It will be different with every laptop. You should also be able to do this by going to control panel, then to power options, and select max performance or one that is like that.
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you may need to uninstall SP2
http://techrepublic.com.com/5100-6264-5222856-2.html http://support.microsoft.com/default...t=windowsxpsp2
This article contains a list of programs that are known to experience loss of functionality when they run on a Microsoft Windows XP Service Pack 2 (SP2)-based computer. If you are using a program that appears on this list, contact the software vendor for more information. Microsoft is updating this list with new information as we receive it. Therefore, check this article frequently.
For client-based and server-based programs that communicate over the Internet or over a network, the new Windows Firewall feature that is included with Windows XP SP2 may be blocking unsolicited connections to your computer. Examples of these types of programs are:
that might help
There are also lots of other reasons like, your system is not patched against all the latest threats, do a microsoft update. or uninstall sp2 if the updates dont do anything good.
Install a firewall and good antivirus software and make sure your computer is clean. the list can go on, good luck.