32 bit:Note Download the antimalware definitions for the 64-bit version only if you are running a 64-bit version of Windows Vista or Windows Server 2008.
After you click the appropriate link, click Run to install the definition update file immediately. Or, click Save to save the file to the computer. If you click Save, remember the folder to which you save the file.
To install the saved file, click Start, click Run, locate the folder to which you saved the file, double-click the file, and then click OK.
Note To install the file on a Windows Vista-based computer, right-click the file, and then click Run As Administrator to install it.
If you are prompted for an administrator password or for confirmation, type the password or click Continue.
When the definition update file runs, a file extraction dialog box appears. The dialog box indicates that the definition update is installing. After the file extraction dialog box closes, you can verify that the Windows Live OneCare definitions have been updated. To do this, open Windows Live OneCare, and then check the status and date next to Virus and Spyware under the Protection Plus section of OneCare.
Article ID: 958067 - Last Review: Jun 21, 2014 - Revision: 1