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Article ID: 310419 - Last Review: December 1, 2007 - Revision: 3.4

This article was previously published under Q310419
If this article does not describe your hardware-related issue, please see the following Microsoft Web site to view more articles about hardware:
http://support.microsoft.com/default.aspx/w98?sid=460 (http://support.microsoft.com/?scid=http%3a%2f%2fsupport.microsoft.com%2fdefault.aspx%2fw98%3fsid%3d460)

SYMPTOMS

Under some conditions, your computer may run slowly.

CAUSE

This behavior can occur for any of the following reasons:
  • Programs may be started automatically when you start your computer. Programs that run when you start your computer typically run all the time; this uses a portion of your computer's system resources that cannot be used for any other task.
  • You may be running a program that creates memory leaks. When you quit a program, the system resources that the program uses should be returned to the operating system. However, some programs do not return all of these resources, effectively "leaking" memory, and this can create a low system-resource state.
  • Your computer may have a small or minimal amount of random access memory (RAM), or a slower central processing unit (CPU). For example, although Windows XP can run with a minimum of 64 megabytes (MB) of RAM, this amount of RAM may not be sufficient to maintain a high speed while you run one or more programs. Also, if your computer has only the minimum CPU requirements for Windows XP (300MHz or higher), it may not be sufficient to maintain a high speed while you run one or more programs.

RESOLUTION

To resolve this issue:
  1. Verify that any programs that start automatically when you start your computer are truly needed and, if not, quit them. For example, an antivirus program is a program that you probably want to run all of the time, but you may have other less essential programs that you do not need to have running all the time.
    • To determine which programs are running, press CTRL+ALT+DELETE, click Task Manager, click the Applications tab, and note of all of the programs that are listed.
    • To quit a program, click the Applications tab, click the program that you want to quit, and then click End Task.
    • To permanently prevent a program from starting automatically, view the following article in the Microsoft Knowledge Base:
      310353  (http://support.microsoft.com/kb/310353/ ) How to perform a clean boot in Windows XP
  2. Determine if you are running programs that create memory leaks. Your computer may be leaking memory if your computer becomes slow after you run and quit one or more programs. If your computer runs well before you run a program, but then slows noticeably after you quit the program, the program may have a memory leak.

    For more information about using performance monitor to identify memory leaks, click the following article number to view the article in the Microsoft Knowledge Base:
    130926  (http://support.microsoft.com/kb/130926/ ) Using Performance Monitor to identify a pool leak
    To resolve this issue, contact the manufacturer of the program to inquire about the availability of a fix for this issue. To work around this issue, restart your computer after you quit the program.
  3. If you are using the minimal amount of RAM or a slower CPU, you can add more RAM to your computer or obtain and install a faster CPU. For information about how to do this, contact your computer manufacturer, or view the documentation that is included with your computer.

MORE INFORMATION

For more information about performance-related issues, click the following article numbers to view the articles in the Microsoft Knowledge Base:
130926  (http://support.microsoft.com/kb/130926/ ) Using Performance Monitor to identify a pool leak
310353  (http://support.microsoft.com/kb/310353/ ) How to perform a clean boot in Windows XP


For help with system performance issues in Windows Vista, visit the following Microsoft web page:
Problems with overall system speed and system performance (http://support.microsoft.com/gp/slow_windows_performance)

APPLIES TO
  • Microsoft Windows XP Professional x64 Edition
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Ultimate
  • Windows Vista Business 64-bit Edition
Keywords: 
kbenv kbperformance kbprb KB310419
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