As the year go by your machine collects all sort of junk. The specs indicate your machine has Windows XP, is that correct? There are two freeware programs, if you don't already have them, 1, CCLEANER:
http://www.filehippo.com/download_ccleaner/ This freeware program has many useful tools, the cleaner will clean the junk from your machine, In the TOOLS section, STARTUP section, disable ALL unnecessary startup programs, this will speed up starts and running. 2, MALWAREBYTES:
http://www.filehippo.com/download_malwarebytes_anti_malware/ In the install UNCHECK the TRIAL PRO version, you want the freeware version, run a FULL scan, delete ALL results, reboot. In Internet Explorer remove ALL unnecessary toolbars and Search Providers, they are killers on IE speed, use this procedure:
http://windows.microsoft.com/en-us/windows7/how-to-manage-add-ons-in-internet-explorer-9 Here are some tips to speed up Windows XP:
http://www.wikihow.com/Speed-up-a-Windows-XP-Computer You can always do a Factory Recovery, returning the machine to the day you got it. If you have a System Factory Recovery Partition or the Factory System Disks.