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Important Information for Upgrading to Microsoft Windows XP Service Pack 2

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This document contains important information about the Service Pack 2 (SP2) Upgrade and what you need to do before upgrading.
NOTE:Windows XP Service Pack 3 now availableOn March 6, 2008 Microsoft released Service Pack 3 (SP3) for Windows XP. Service Pack 3 contains all of the important Windows updates from previous service packs as well as additional updates that were released after Service Pack 2.For more information on Windows XP Service Pack 3, see the HP support document About Windows XP Service Pack 3 .
SP2 is designed for all PCs that use Windows XP (Home, Professional, Media Center, and Tablet Editions). HP and Compaq desktop PCs that were purchased prior to June 2003 may require other upgrades beyond the upgrades listed in this document. Most companies provide free updates for their software products. HP and Compaq desktop PCs come with a wide variety of software titles not made by HP. After installing SP2, if you have an issue with a software title or a hardware device driver and the update cannot be found from the HP Web site, look on the product manufacturer's Web site for the latest updates. Most software downloads are located on the product manufacturer's Web site.
CAUTION:Upgrading to SP2 without updating your drivers can cause some software to not work properly.
NOTE:While following the instructions in this document, you will need to restart your PC. You may want to print out these directions before you begin and for future use.
Before upgrading to SP2
Before upgrading to SP2, remove spyware and all other unnecessary software and optimize your PCs performance. Refer to Increase System Resources without Adding Memory (in English) for more information.
Before upgrading to SP2, connect to the Microsoft website and download all critical updates using the Windows Update tool. Refer to System Restore UpdateUpdating Drivers and Software with Windows Update (in English) for more information.
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Update these drivers before installing SP2
The following driver updates resolve compatibility issues in Windows XP with SP2. HP recommends applying the following updates to PCs with Microsoft Windows XP before upgrading to Microsoft Windows XP SP2:
NOTE:You must have administrative rights before installing the updates. Under most circumstances, including a home installation, you should already have administrative rights. If you know you do not have administrative rights, contact the IT administrator.
Update: System Restore
Once you install SP2, you are not able to use System Restore to go back to a previous restore point unless the following update (SP26352) has already been installed. If you have already installed service pack 2 and want to access restore points made before service pack 2 was installed, uninstall service pack 2 and apply this update:
System Restore Update (in English).
Update: HP Image Zone
HP Image Zone software does not work with SP2 unless the following update (SP26330) is installed:
Update: Norton Anti-Virus
To prevent issues with Norton Anti-Virus, open Norton Anti-Virus, click the LiveUpdate button, and follow the instructions to install all updates from Symantec. Use Live Update until Norton Antivirus is fully up-to-date. For more information, refer to Symantec's Web site (in English).
Update: nVidia Driver
nVidia graphics driver may not work as good with SP2 unless the following update (SP26286) is installed: nVidia Driver Update (in English).
To find out if your computer has an nVidia based card, click Start , Right-click My Computer , select Properties , click the Hardware tab, and then click Device Manager . Look in Display Adapters for the name of the tuner.
Update: HP Toolkit
HP Toolkit software does not work properly with SP2 unless the following update (SP26332) is installed:
HP Toolkit Update (in English).
Update: Wild Tangent Games
The Wild Tangent game software does not work properly with SP2 unless the following update (SP26333) is installed:
NOTE:The following updates apply only to Media Center computers (not Pavilion or Presario).
Update: Media Center Program Guide
The Media Center Program Guide does not work properly with SP2 unless the following update (SP26350) is installed:
Update: Media Center Intervideo WinDVD
WinDVD has compatibility issues with SP2 unless the following update (SP26379) is installed:
Update: Media Center Edition Registry Utility
Windows Media Center Edition has compatibility issues with SP2 unless the following update (SP26378) is installed:
Update: Media Center TV Tuner
Certain TV Tuners used with HP Media Center PCs do not work properly with SP2 unless the following update (SP26329) is installed:
To find out if the PC has one of these tuner cards, click Start , Right-click My Computer , select Properties , click the Hardware tab, and then click Device Manager . Look in Sound, Video, and Game Controllers for the name of the tuner.
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What to do if Service Pack 2 does not install
Only a limited number of computers get to download SP2 each day to prevent the download site from becoming overloaded. Computers that use Automatic Updates are served first. To enable Automatic Updates, click Start , right-click My Computer , click the Automatic Updates tab, select the checkbox, and click OK .
Also, Service Pack 2 may not install if Service Pack 1 is not already installed, a specific advertising program is installed on the computer, or other conditions. Make sure your computer meets the necessary requirements, before proceeding. For more information please reference Microsoft article KB885627: Windows XP Service Pack 2 is not available to install from Windows Update and is not offered by Automatic Updates (in English).
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Software behavior differences to note after installing SP2
The computer always automatically restarts or the Error: Stop c0000135 {Unable To Locate Component} appears
This error can occur when specific software exists while installing SP2. The software that can cause this problem does not come from HP and may be classified as spyware. The error occurs after restarting and does not allow Windows to open.
Performing a non-destructive system recovery corrects the error.
Microsoft has published a document to assist with this issue. Please reference Microsoft article KB885523: You receive a "Stop: c0000135" and "winsrv was not found" error message after you install Windows XP Service Pack 2 (in English).
Message appears: Windows XP Setup cannot continue because the version on your computer is newer than the version on the CD
To prevent this message from appearing. Restart the computer three times and then apply Service Pack 2.
Security Warning Windows
Due to the enhanced security of SP2 there are more Security Warning Windows when downloading files.
Windows Security Alert
Due to the enhanced security of SP2 there are more Security Alert messages when the firewall blocks an incoming network request. If you don't recognize the sender, Keep Blocking the message.
Updates from HP and Compaq Connections (BackWeb)
The Updates from HP and Compaq Connections messaging services use technology developed by BackWeb Technologies Incorporated to communicate messages to your PC. These are trusted services maintained by HP. After SP2 is installed, the built-in firewall intercepts Updates from HP and Compaq Connections messages, and opens a Windows Security Alert window that prompts you to approve the delivery of the message. When you see this Alert window, click the Unblock button to continue receiving these important messages.
Installing the Updates from HP and Compaq Connections Messages Update (in English), identifies these messages as originating from HP rather than from an unknown publisher.
Lengthy startup time
You may notice after upgrading that the first few startups can take more time than usual.
Word Symphony by Wild Tangent not compatible with SP2
The Word Symphony game does not work with SP2. Be aware of this before upgrading to SP2.
Splash screen may not display complete Windows XP version information after upgrading to SP2
This behavior is expected. Microsoft has published a document to assist with this issue. Please reference Microsoft article KB886930: The splash screen that appears at startup does not display the complete Windows XP version information (in English).
Display appearance may change after upgrading to SP2
Display appearance may change after upgrading to SP2 due to several factors encountered during the upgrade process. To resolve this issue:
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Related Information
For information on checking your Windows and Service Pack version information, or to obtain Windows XP SP2, refer to:
Microsoft Web site: Windows XP Service Pack 2 (SP2) Support Center (in English).
Microsoft article 875350: How to remove Windows XP Service Pack 2 from your computer (in English).
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NOTE:One or more of the links above will take you outside the Hewlett-Packard Web site. HP does not control and is not responsible for information outside the HP Web site.
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