Error when you try to install Windows Vista Service Pack 1: “Installation was not successful” or “An internal error occurred while installing the service pack”

When you try to install Windows Vista Service Pack 1 (SP1), you may receive one of the following error messages:

Error message 1

Installation was not successful

Error message 2

An internal error occurred while installing the service pack


RESOLUTION

To resolve this problem, use one or more of the following methods, as appropriate for your situation.


Install Windows Vista Service Pack 1 by using the full service pack download

If you have already tried to install Windows Vista SP1 by using Windows Update or by using Microsoft Update, download the full service pack package. To download the full service pack package, visit the following Microsoft TechNet Web site:

http://technet.microsoft.com/en-us/windowsvista/bb738089.aspx (http://technet.microsoft.com/en-us/windowsvista/bb738089.aspx)

Note The full service pack package is a large download. This download may take several hours for a user who has a slow Internet connection.


Restart the computer, and close or disable any applications that may be running

Important These steps may increase your security risk. These steps may also make the computer or the network more vulnerable to attack by malicious users or by malicious software such as viruses. We recommend the process that this article describes to enable programs to operate as they are designed to or to implement specific program capabilities. Before you make these changes, we recommend that you evaluate the risks that are associated with implementing this process in your particular environment. If you decide to implement this process, take any appropriate additional steps to help protect the system. We recommend that you use this process only if you really require this process.

One of the most common causes of installation failure is when a third-party application holds a file open or locks a file that the service pack installation program needs. To minimize this chance, follow these steps before you try to install Windows Vista SP1:

1. Close all applications, and restart your computer.
2. After your computer has restarted, disable any antivirus or any antispyware applications that may load during the startup process.

You can usually disable the application from the notification area. To disable an application from the notification area, right-click the third-party program icon, and then click an option to close or to disable the application. The close option or the disable option may resemble the following options: Disable, Close, or Exit.

3. As soon as you close the antivirus or the antispyware application, try to install Windows Vista SP1 from the Windows Update site or from the Microsoft Update site. Or, try to install Windows Vista SP1 from the full download package.

Note If you have downloaded the full download package, try to install Windows Vista SP1 from the full download package.

4. After you have completed the Windows Vista SP1 installation, enable the antivirus or the antispyware application that you disabled in step 2.



APPLIES TO
Windows Vista Service Pack 1
Windows Vista Ultimate
Windows Vista Ultimate 64-bit Edition
Windows Vista Enterprise
Windows Vista Enterprise 64-bit Edition
Windows Vista Business
Windows Vista Business 64-bit Edition
Windows Vista Home Premium
Windows Vista Home Premium 64-bit Edition
Windows Vista Home Basic
Windows Vista Home Basic 64-bit Edition

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Microsoft Knowledge Base Article

This article contents is Microsoft Copyrighted material.
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