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Article ID: 939757 - Last Review: January 31, 2011 - Revision: 2.0

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INTRODUCTION

This article describes how to download the latest beta malicious software (malware) definition update for Microsoft Forefront Client Security.

The latest beta malicious software definition update gives you early access to definitions for critical infections that the latest release version of the definitions does not detect or clean.

You can use these beta definitions to clean infected computers. You can also use these definitions to protect computers that are at an immediate risk of infection.

Microsoft offers a partially tested beta definition update that you can download before the fully tested version is available. The beta definition update is not meant for enterprise-wide deployment.

Beta definition updates are explicitly created for malicious software threats. You should not deploy a beta definition update if you are not experiencing a threat for which it was explicitly created.

Note After additional testing, certain beta packages will be released as regular signatures. The same binary file that was used for the beta malicious software definition may be used for the released definition.

MORE INFORMATION

To download the Microsoft Forefront Client Security beta malicious software definition update for 32-bit (x86-based) versions of Windows, click the following link:
http://go.microsoft.com/fwlink/?LinkID=94108&clcid=0x409 (http://go.microsoft.com/fwlink/?LinkID=94108&clcid=0x409)
To download the Microsoft Forefront Client Security beta malicious software definition update for 64-bit (x64-based) versions of Windows, click the following link:
http://go.microsoft.com/fwlink/?LinkID=94112&clcid=0x409 (http://go.microsoft.com/fwlink/?LinkID=94112&clcid=0x409)
After you click the link, click Run to install the update immediately. Or, click Save to save the update to the computer. If you click Save, remember the folder where you save the update.

To install the saved update, click Start, click Run, locate the folder where you saved the update, double-click the update file, and then click OK.

Note To install the update on a computer that is running Windows Vista, right-click the file, and then click Run As Administrator. If you are prompted for an administrator password or for confirmation, type the password, or click Continue.

When the update runs, a file extraction dialog box appears. This dialog box indicates that the definition is installing. After the dialog box closes, you can verify that the Microsoft Forefront Client Security definitions have been updated. To do this, open Microsoft Forefront Client Security, and then note the definition version at the bottom of the Microsoft Forefront Client Security Home dialog box.

You can use the -q command-line switch to install the update. This switch installs the update in quiet mode. Quiet mode suppresses the file extraction dialog box. To install the update in quiet mode, type the following command:
Mpam-fe.exe -q
Note To run this command, you must use an account that has administrator rights.

Technical support for x64-based versions of Microsoft Windows

If your hardware came with a Microsoft Windows x64 edition already installed, your hardware manufacturer provides technical support and assistance for the Windows x64 edition. In this case, your hardware manufacturer provides support because a Windows x64 edition was included with your hardware. Your hardware manufacturer might have customized the Windows x64 edition installation by using unique components. Unique components might include specific device drivers or might include optional settings to maximize the performance of the hardware. Microsoft will provide reasonable-effort assistance if you need technical help with a Windows x64 edition. However, you might have to contact your manufacturer directly. Your manufacturer is best qualified to support the software that your manufacturer installed on the hardware. If you purchased a Windows x64 edition such as a Microsoft Windows Server 2003 x64 edition separately, contact Microsoft for technical support.

For product information about Microsoft Windows XP Professional x64 Edition, visit the following Microsoft Web site:
http://www.microsoft.com/windowsxp/64bit/default.mspx (http://www.microsoft.com/windowsxp/64bit/default.mspx)
For product information about x64-based versions of Microsoft Windows Server 2003, visit the following Microsoft Web site:
http://www.microsoft.com/windowsserver2003/64bit/x64/editions.mspx (http://www.microsoft.com/windowsserver2003/64bit/x64/editions.mspx)
For product information about 64-bit versions of Windows Vista, visit the following Microsoft Web site:
http://www.microsoft.com/windows/products/windowsvista/editions/64bit.mspx (http://www.microsoft.com/windows/products/windowsvista/editions/64bit.mspx)

APPLIES TO
  • Microsoft Forefront Client Security
  • Microsoft Forefront Endpoint Protection 2010
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