The other prerequisite updates that are listed in this article apply to all versions of Windows Vista. Before Windows Vista SP1 is released, these prerequisite updates will be delivered to most users through Windows Update as part of regularly scheduled monthly updates. These updates will be installed together with other updates that will require that you restart the computer.
Therefore, an additional restart will not be required. This delivery method will help simplify installation of the required updates. If you decide to install Windows Vista SP1 by using the stand-alone installer instead of by using Windows Update, you will not have to install the prerequisite updates separately.
The prerequisite updates will be installed by the stand-alone installer if they are necessary. The following three updates are required before you install Windows Vista SP1. However, these updates are also recommended if you do not intend to install Windows Vista SP1. These updates help improve reliability and performance when you install future individual updates from Microsoft:. This update must be applied separately before you install Windows Vista SP1 to make sure that Windows Vista SP1 can be installed or removed from the computer.
This update will be available on the Windows Update Web site soon after the release of update and before the release of Windows Vista SP1. Update updates the Windows Vista installation software. For more information, see the "Update information" section. Update is a prerequisite package that contains updates to the Windows Vista installation software. The installation software is the component that handles the installation and the removal of software updates, language packs, optional Windows features, and service packs.
Update is available from the Windows Update Web site. To obtain this update, follow these steps:. Click Start , click Control Panel , and then click Security. Under Windows Update , click Check for updates.
You must install this update package on a Windows Vista operating system that is running. You cannot install this update package on an offline image. If any other updates are waiting for a restart, the restart must occur before you install this update. For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:. Microsoft used the most current virus-detection software that was available on the date that the file was posted.
The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file. You cannot remove this update. The installation automatically attempts to detect devices connected to serial ports, and UPS equipment can cause problems with the detection process.
It's fine to leave your computer connected to a UPS for power. Some antivirus software might prevent SP2 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 enable it after the service pack is installed.
Make sure you have enough free disk space to install SP2 even though much of that space will be reclaimed after the installation. If your computer is set to automatically install updates, you'll be prompted by Windows Update to install SP2. Follow the instructions on the screen. If you aren't prompted to install SP2, follow these steps:.
Click View available updates. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
Install any updates listed as Recommended or Important , return to the Windows Update page, and then click Check for updates. Follow the instructions on your screen. The computer might restart several times during the installation. After 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 have problems obtaining the service pack from Windows Update, you can download SP2 as a standalone installation package from the Microsoft Download Center website, and then install SP2 manually.
Depending on whether you're running the bit or the bit version of Windows Vista, download the update for bit versions or download the update for bit versions.
To determine whether you have the bit or the bit version of Windows Vista, click the Start button , right-click Computer , and then click Properties. To install SP2 immediately, click Open or Run , and then follow the instructions on your screen. To install SP2 later, click Save to copy the installation file to your computer.
When you're ready to install the service pack, open the file you copied to your computer. You'll receive a message indicating whether the update was successful.
If you installed SP2 yourself, you can uninstall it. However, if your computer came with SP2 already installed an integrated installation , it can't be uninstalled. Click the Start button , click Control Panel , and then click Programs.
Under Programs and Features , click View installed updates. Windows Vista More Before you install SP2, we recommend you do the following: Log on to your computer using an administrator account, make sure all other users are logged off of the computer, and close all open programs.
In the left pane, click Check for updates.
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