Before you install SP1
, do the following:
- make sure the computer is 100% clean, installing a service pack on an infected machine can have disastrous results
Important If your computer is infected with malware and you install Windows 7 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.
- If you have any pre-release versions of SP1 installed, uninstall them before installing the final release version of SP1.
- Back up your important files to an external location, such as an external hard disk, DVD or CD, USB flash drive, or network folder.
- If you're using a laptop computer, connect it to an AC electrical outlet and don't unplug or restart the computer during installation.
- Some antivirus software might prevent SP1 from installing, or might slow down the installation. You can try temporarily disabling your antivirus software. If you do so, be sure that you're aware of the risks involved, and be sure to re-enable it after the service pack is installed.
====To check if Windows 7 SP1 is already installed
- Click the Start button , right-click Computer, and then click Properties.
If Service Pack 1 is listed under Windows edition, SP1 is already installed on your computer, if it is a pre-release version of Service Pack 1 uninstall it before trying to install the Service pack 1 final releaseIf you have the Service pack 1 pre-release installed
follow these instructions to uninstall it:
The easiest way to uninstall SP1 is using Programs and Features.
Uninstalling SP1 using Programs and Features Note:
- Click the Start button , click Control Panel, click Programs, and then click Programs and Features.
- Click View installed updates.
- Click Service Pack for Microsoft Windows (KB 976932)
- then click Uninstall.
If you just purchased your computer and don't see Service Pack for Microsoft Windows (KB 976932) in the list of installed updates, your computer may have came with SP1 already installed, and you can't uninstall the service pack. If the service pack is listed but grayed out, you can't uninstall the service pack. If you've used Disk Cleanup since installing SP1, the backup files needed to uninstall the service pack might have been deleted from your computer. To remove the service pack, you'll need to reinstall Windows 7.
=====Installing SP1 using Windows Update (recommended)
If your computer is set to automatically install updates, you'll be prompted by Windows Update to install SP1. Follow the instructions on the screen. If you aren't prompted to install SP1, follow these steps:
- Make sure your computer is connected to the Internet.
- Click the Start button , click All Programs, and then click Windows Update.
- In the left pane, click Check for updates.
- If any important updates are found, click the link to view available updates. In the list of updates, select Service Pack for Microsoft Windows (KB976932), and then click OK.
- Click Install updates. Administrator permission required If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
- Follow the instructions on your screen.
- After the installation is complete, log on to your computer at the Windows logon prompt. You might see a notification indicating whether the update was successful.
- If you disabled your antivirus software, enable it again.
If SP1 isn't listed, you might need to install some other updates before installing SP1. Install any important updates, return to the Windows Update page, and then click Check for updates again. If you are updating just one computer it's highly recommended to get the service pack update from Windows Update
. The best way to ensure you get Windows 7 SP1 is by turning on the Automatic Updates feature.
===== If Windows Update is not offering you the option to install the service pack:
- Confirm that Windows 7 SP1 is not already installed and that you are not running a pre-release version of Windows 7 SP1
- Check for other pending updates & install them first Update kb976902 may have to be installed on your computer before SP1 will be offered if update KB2454826 is being offered install it before trying to install SP1
- Verify that an incompatible version of SafeCentral is not installed on your computer, Windows SP1 may not appear in Windows Update if certain versions of SafeCentral are installed on your computer. SafeCentral is a security program that is manufactured by SafeCentral, Inc. If your computer is running SafeCentral version 22.214.171.124 or an earlier version, you have to update SafeCentral before you can install Windows 7SP1.
- Check whether you have Intel integrated graphics driver Igdkmd32.sys or Igdkmd64.sys and whether you upgraded the driver, Windows 7 SP1 will not appear in Windows Update if update 2454826 is not installed. Windows Update will not offer you update KB2454826 if you are using one of the following Intel integrated graphics drivers:
- Igdkmd32.sys (32-bit), versions 126.96.36.1994 through 188.8.131.521
- Igdkmd64.sys (64-bit), versions 184.108.40.2064 through 220.127.116.111
These drivers are known to cause problems with certain applications that use D2D (Direct2D). For example, if you use these drivers together with Windows Live Mail under certain circumstances, Windows Live Mail could crash. Make sure that you did not use vLite to customize your Windows 7 installation, vLite is a third-party program that is used to customize an installation of Windows 7. vLite is known to remove some Windows system components.
To determine whether SafeCentral is installed, follow these steps:
1. Click Start
2. Click Control Panel, click Programs, and then click Programs and Features.
3. Search the list of programs for SafeCentral. If SafeCentral version 18.104.22.168 or an earlier version is installed,update it
To check for the Intel integrated graphics driver and driver version, follow these steps:
1. Start DirectX Diagnostic Tool. To do this, click Start
2. type dxdiag in the Search programs and files box, and then press Enter.
3. Click the Display tab.
4. Note the driver and driver version.
5. If you have the Intel integrated graphics driver and driver version 22.214.171.1244 through 126.96.36.199, visit the computer manufacturer's website to see whether a newer driver is available.
Steps to work around the vLite issue
If you have tried all the steps that are described in this article, and Windows Update still does not offer you the option of installing Windows 7 SP1, you can work around the vLite issue by installing Windows 7 SP1 from the Microsoft Download Center
Important - The recommended method for installing Windows 7 SP1 is to use Windows Update. For information about how to install Windows 7 SP1 by using Windows Update, see the Install Windows 7 SP1, If you decide to work around the issue by installing the service pack from the Microsoft Download Center, there are steps that you should take before you install Windows 7 Service Pack 1 from the Microsoft Download Center. For more information, read the following article number to view the article in the Steps to take before you install Windows 7 Service Pack 1 from the Microsoft Download Center
Important - If you do not follow the steps in Knowledge Base article 2505743 , you may not have the best possible experience when you install the service pack from the Microsoft Download Center.
If you have trouble with Windows Update You can use Microsoft's step-by-step instructions for turning automatic updating on
If your Windows Update is not working try running the Microsoft Fixit for Windows Update.
If issues with getting Windows Updates persist contact Microsoft support
This is a free service and toll-free call.1-866-PCSAFETY or 1-866-727-2338
It is available 24 hours a day for the U.S. and Canada. For support outside the United States and Canada, please contact your Microsoft Help and Support worldwide. Go to this page and choose your region from the box in the upper right corner: Microsoft Support Security Home
please let me know if these steps help resolve your problem