Friday, September 18, 2009

Download Windows Defender Latest Definition Updates 1.65.865.0 - Date:2009-09-18

Windows Defender Latest Definition Updates Publisher's Description:

Install the latest Windows Defender definition updates

Step 1: Save or run the file

After you click this link, click Run to install the definition file immediately, or click Save to save it to your computer. If you click Save, remember the name of the folder where you save the file.

Step 2: Install the definition update

To install the saved definition update file:

* If your computer is running Windows Vista, click Start, click Documents, and then locate the folder where you saved the definition file. Right-click Mpas-fe.exe, click Run as administrator, and then click Run. When you are prompted for an administrator password or confirmation, type the password or provide confirmation, and then wait while the definition files are installed.
* If your computer is running any other Windows operating system, you must be logged on as an administrator to install the latest definition file. Browse to the folder where you saved the file, and then double-click Mpas-fe.exe to install the latest definition file.

Note: If you do not have an administrator account on the computer, ask an administrator to log on and install the definitions file for you.

For more information on how to manually download the latest definition updates for Windows Defender, see this Knowledge Base article on the Microsoft Help and Support website:

KB Article
Install the latest Windows Defender definition updates for computers running x64-based versions of Windows

To download and install definition updates for computers running x64-based versions of Windows, use this link:

64 bit Definitions

Note: You must be running an x64-based version of Windows to run an x64-based version of Windows Defender. For more information, see the Windows Defender website.

Install the latest Microsoft ForeFront Client Security definition updates

Antivirus definition version: 1.53.249.0
Antivirus definition created on: 2009-08-03 18:18:19 PST
Antispyware definition version: 1.53.249.0
Antispyware definition created on: 2009-08-03 18:18:19 PST
For more information please review the following KB Article.

To download the latest definition update for computers running a 32-bit (x86-based) versions of Windows, use this link:

32 bit Definitions

Is your computer running a 64-bit (x64-based) version of Windows? To see how to install definition updates, follow these instructions.

Step 1: Save or run the file

After you click this link, click Run to install the definition file immediately, or click Save to save it to your computer. If you click Save, remember the name of the folder where you save the file.

Step 2: Install the definition update

To install the saved definition update file:

* If your computer is running Windows Vista, click Start, click Documents, and then locate the folder where you saved the definition file. Right-click Mpam-fe.exe, click Run as administrator, and then click Run. When you are prompted for an administrator password or confirmation, type the password or provide confirmation, and then wait while the definition files are installed.
* If your computer is running any other Windows operating system, you must be logged on as an administrator to install the latest definition file. Browse to the folder where you saved the file, and then double-click Mpam-fe.exe to install the latest definition file.

Note: If you do not have an administrator account on the computer, ask an administrator to log on and install the definitions file for you.

For more information on how to manually download the latest definition updates for computers running Microsoft ForeFront Client Security, see this Knowledge Base article on the Microsoft Help and Support website:

KB Article
Install the latest Microsoft ForeFront Client Security definition updates for computers running x64-based versions of Windows

To download definition updates for Microsoft ForeFront Client Security on computers running x64-based versions of Windows, use this link:

64 bit Definitions

Note: You must be running an x64-based version of Windows to run an x64-based version of Microsoft ForeFront Client Security. For more information, see the Microsoft ForeFront Client Security website.

Download:

Mirror 1 - 32-bit

Mirror 2 - 64-bit

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