How can I use my computer (a used Sony Vaio) more efficiently, without constantly clearing my disc space?

Hi,1. Do you have service pack 3 installed on your computer?2. Since when are you experiencing the performance issue?3. Were there any changes made prior to this issue?Put the computer in a clean boot state and check for the performance of the computer. If the performance improves then the issue could be caused by one of the third party services.a. Putting your system in clean boot state helps in identifying if any third party applications or startup items are causing the issue.b. Refer the following Microsoft KB article for more information on how to troubleshoot a problem by performing a clean boot in XP:How to configure Windows XP to start in a "clean boot" state?http://support.microsoft.com/kb/310353Note: After troubleshooting, make sure to put the computer to start as usual as mentioned under the section 'Steps to configure Windows to use a Normal startup state' in the above KB article.Also refer to the below link:5 ways to speed up your PC:http://www.microsoft.com/atwork/maintenance/speed.aspxIf you do not have service pack 3 installed, I would recommend you to install SP3 so that it improves the reliability of Windows by installing the latest software updates - new drivers for the hardware and more.How to obtain the latest Windows XP service pack?Regards,Manasa P – Microsoft Support.

How large is your C partition and how much free disk space does it have?What do you use the computer for? Hope this helps, Gerry Cornell