I get this most annoying problem when i try to do basic operations. operation like copying from disk to disk, instaling programs, copying to disk drive and vica versa. I always check the task manager and the performance is always at 100%! he process that is hanging my computer is explorer.exe . I dont know what to do :(

Cpu usage high If you are experiencing "random" slowdowns and "high" CPU usage for no reason . http://www.blackviper.com/AskBV/XP14.htm http://www.blackviper.com/WinXP/supertweaks.htm http://search.atomz.com/search/?sp-i=1&sp-q=cpu+100%25&sp-a=sp10025107&sp-advanced=1&sp-p=any&sp-x=any&sp-w-control=1&sp-w=alike&sp-d=custom&sp-c=10&sp-f=UTF-8 http://search.atomz.com/search/?sp-i=1&sp-q=cpu+100%25&sp-a=sp10025107&sp-advanced=1&sp-p=any&sp-x=any&sp-w-control=1&sp-w=alike&sp-d=custom&sp-n=11&sp-c=10&sp-f=UTF-8 http://search.atomz.com/search/?sp-i=1&sp-q=cpu+100%25&sp-a=sp10025107&sp-advanced=1&sp-p=any&sp-x=any&sp-w-control=1&sp-w=alike&sp-d=custom&sp-n=21&sp-c=10&sp-f=UTF-8 http://search.atomz.com/search/?sp-i=1&sp-q=cpu+100%25&sp-a=sp10025107&sp-advanced=1&sp-p=any&sp-x=any&sp-w-control=1&sp-w=alike&sp-d=custom&sp-n=31&sp-c=10&sp-f=UTF-8 http://search.atomz.com/search/?sp-i=1&sp-q=cpu+100%25&sp-a=sp10025107&sp-advanced=1&sp-p=any&sp-x=any&sp-w-control=1&sp-w=alike&sp-d=custom&sp-n=41&sp-c=10&sp-f=UTF-8 http://search.atomz.com/search/?sp-i=1&sp-q=cpu+100%25&sp-a=sp10025107&sp-advanced=1&sp-p=any&sp-x=any&sp-w-control=1&sp-w=alike&sp-d=custom&sp-n=51&sp-c=10&sp-f=UTF-8 http://search.atomz.com/search/?sp-q=cpu+100%25&sp-a=sp10025107&sp-advanced=1&sp-p=any&sp-w-control=1&sp-w=alike&sp-d=custom&sp-date-range=-1&sp-start-month=0&sp-start-day=0&sp-start-year=&sp-end-month=0&sp-end-day=0&sp-end-year=&sp-x=any&sp-c=10&sp-m=1&sp-s=0&sp-f=UTF-8 ================================= Try performing an advanced clean-boot of XP to isolate the problem: http://support.microsoft.com/default.aspx?kbid=316434 http://support.microsoft.com/default.aspx?kbid=310353 ================================ Disable Indexing Services http://www.tweakxp.com/tweakxp/display.asp?id=1335 http://mywebpages.comcast.net/SupportCD/OptimizeXP.html Indexing services is a small program that hogs HUGE amounts of RAM and can often make a computer endlessly loud and noisy. This system process indexing and updates lists of the files on your system, so you can search for them quickly, but it's completley unnessesary. To disable it, go to the Control Panel and click Add/Remove Programs. Click the Add/Remove Window Components. Simply unclick the Indexing services and click next!