Article ID: 2505743 - View products that this article applies to.
Windows 7 SP1 and Windows Server 2008 R2 SP1 are updates to Windows 7 and Windows Server 2008 R2 that contains previously released fixes to specific reliability, performance, and compatibility issues. There are certain steps that should be taken before installing Windows 7 SP1 or Windows Server 2008 R2 SP1 to help make sure that you will have a successful installation. The suggested preparation steps are as follows:
Important: Before you install SP1 make sure that you follow these steps.
Step 1: Back up your important filesBack up your files to an external hard disk, DVD or CD, USB flash drive, or network folder. For information about how to back up your files, see Back up your files
Step 2: Update device drivers
Update device drivers as necessary. You can do this by using Windows Update in Control Panel or by going to the device manufacturer's website.
Important: If you are using an Intel integrated graphics device, there are known issues with certain versions of the Intel integrated graphics device driver and with D2D enabled applications, such as certain versions of Windows Mail.
Step 3: Visit Windows Update and Install Windows Updates KB2454826, KB2534366, or KB2533552 if offeredRun Windows Update
(http://www.update.microsoft.com/)and if you are offered the option to install update KB2454826, KB2534366, or KB2533552, install them. If you install the service pack from the Microsoft Download Center and do not install these updates, you could encounter a Stop error in Windows in rare cases.
These updates will automatically be installed when you install the service pack by using Windows Update. However, these updates are not automatically installed when you install the service pack from the Microsoft Download Center.
Step 4: Check for Virus and MalwareCheck your computer for malware by using antivirus software. If you do not currently have Virus or Malware software installed on your computer, Microsoft offers Microsoft Security Essentials, free antivirus software that you can download from the Microsoft Security Essentials
You can also visit the Microsoft Consumer security software providers
(http://go.microsoft.com/fwlink/?LinkId=135654)webpage to find third-party antivirus software.
Important If your computer is infected with malware and you install SP1, you could encounter blue screens or a Windows Update error such as 8007f0f4 or FFFFFFFF. If malware is detected, Windows Update will be unable to install SP1.
Step 5: Install Windows 7 SP1 or Windows Server 2008 R2 SP1
Visit Windows Update
(http://www.update.microsoft.com/)and install Windows 7 SP1 or Windows Server 2008 R2 SP1If Windows Update does not offer you the option to install the service pack, see Microsoft Knowledge Base article 2498452
(http://support.microsoft.com/kb/2498452). If you are encountering a problem when you install the service pack from Windows Update, see Troubleshoot problems installing a service pack for Windows 7
(http://windows.microsoft.com/troubleshootwindows7sp1). For more information about how to install SP1 by using Windows Update, see How to install Windows 7 SP1
Install Windows 7 SP1 or Windows Server 2008 R2 SP1 from the Microsoft Download Center. The Download Center offers
(http://go.microsoft.com/fwlink/?LinkId=199583)the Windows 7 SP1 Network Installation Package for IT Professionals and Developers.
More installation notes
Known IssuesIntel integrated graphics device drivers. The versions of the Intel integrated graphics device driver that are known to be problematic are Igdkmd32.sys and Igdkmd64.sys versions 220.127.116.114 through 18.104.22.1681. For more information about a known issue with these drivers and with Windows Mail, see Microsoft Knowledge Base article 2505524
To check whether you are using the Intel integrated graphics device driver Igdkmd32.sys or Igdkmd64.sys versions 22.214.171.1244 through 126.96.36.1991, follow these steps:
More ResourcesFor more information, click the following article number to view the article in the Microsoft Knowledge Base:
971759For more information about Windows Update error 8007f0f4 or FFFFFFFF, see Windows Update error 8007f0f4 or FFFFFFFF
(http://support.microsoft.com/kb/971759/ )How to back up or transfer your data on a Windows-based computer
Article ID: 2505743 - Last Review: October 17, 2012 - Revision: 5.0