Article ID: 898583
After you install Microsoft Windows XP Service Pack 2 (SP2) or upgrade to Windows XP with SP2, you experience slow computer performance. For example, you experience the following symptoms:
This issue occurs if one of the following conditions is true:
To resolve this issue, use one or more of the following methods.
Run a current anti-spyware program on the computerFor more information about how to run a current anti-spyware program on the computer, view the following spyware and malware removal resources.
HijackThis and CWShredder
Spybot-Search and Destroy
http://pestpatrol.comMicrosoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
Run a current virus scanning program on the computer
Remove unused programs, increase the size of the hard disk, or remove programs from the hard disk so that you can install the programs on another hard diskWindows can run very slow if you are running out of hard disk space. Depending on the types of programs that you run and the amount of programs that you are running, more memory may be required for the computer to remain stable and efficient. The computer becomes unstable if the amount of available hard disk space is low.
Upgrade the RAMWindows can run very slow if you are running out of available RAM. Many newer operating systems and programs use more RAM when they are running. You may also experience slow system performance if you run several programs at the same time.
Examine Device Manager for old drivers and update themDrivers can become outdated and possibly damaged to the point where they slow the system performance. To examine Device Manager for old drivers, follow these steps:
Run the Disk Cleanup toolTo start the Disk Cleanup tool, click Start, click run, type cleanmgr.exe in the Open box, and then click OK.
For more information about related topics, click the following article numbers to view the articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/310419/ )Computer speed and performance may decrease
(http://support.microsoft.com/kb/838884/ )Slow system performance or your computer stops responding when you use Windows Management Instrumentation in Windows XP
(http://support.microsoft.com/kb/832762/ )Slow system performance or your computer stops responding because of a memory leak in paged pool memory in Windows 2000 SP4
819634The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
(http://support.microsoft.com/kb/819634/ )You may experience performance issues after you install the 811493 (MS03-013) security update
For help with system performance issues in Windows Vista, visit the following Microsoft web page:
Problems with overall system speed and system performance