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Make Sure Microsoft Security Essentials Has Updated Definition Files

If you’re a new user of Microsoft Security Essentials, you might be unclear on how to update definition files manually or automatically. Here we’ll show you a few methods you can use to make sure MSE is always up to date.

If MSE needs to be updated it will show in the Taskbar as an orange exclamation point icon letting you know it needs attention.

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Update MSE 1.0 and 2.0 Beta Definitions Manually

There are a couple of ways you can update MSE 1.0 and the 2.0 beta manually. First you can open it up and go to the Update tab and click the Update button.

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Another method is to use Windows Updates. Open Windows Update from the Start Menu or from the Taskbar if you’ve pinned it there.

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If you manually check Windows Updates everyday, more than likely there will always be a new definitions update.

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You can also head over to The Microsoft Malware Protection Center and download the latest definition files and install manually.

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Then run mpam-fe.exe as administrator and you’ll be updated.

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Automatic Updates for MSE 1.0 and 2.0 Beta

To make sure you get the latest malware definition file before a scan, go to the Settings tab, then Scheduled Scan. Make sure Check for the latest virus and spyware definitions before running a scheduled scan is selected.

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This will ensure MSE downloads the latest definitions before a scan.

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If you have Windows Update set to download and install updates automatically daily, make sure and check Give me recommended updates the same way I receive important updates. This way you’ll be sure to get the latest definition files everyday.

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MSE Update Utility

If you don’t want to enable automatic installation of Windows Updates, there is a third-party application that can help called MSE Update Utility. Just download and install it accepting the defaults.

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After it’s installed it will run in the Taskbar and make sure you have the latest definition files depending on how you schedule it.

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If you want to make sure you’re always current, set the update interval to Daily and check Run on Startup. This will work with MSE V 1.0 but doesn’t work with the new MSE beta 2.0.

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Conclusion

Whether you do it manually or automatically, if you’re new to Microsoft Security Essentials, these quick tips will help make sure MSE is always up to date. If you haven’t tried out yet, check out our screen shot tour of MSE 2.0 Beta.

Download Microsoft Security Essentials

Download MSE Update Utility [via AddictiveTips]

Microsoft Malware Protection Center

Lowell Heddings, better known online as the How-To Geek, spends all his free time bringing you fresh geekery on a daily basis. You can follow him on if you'd like.

  • Published 07/26/10

Comments (5)

  1. Tom C.

    … or use a user/computer login script and add this line:
    “C:\Program Files\Microsoft Security Client\Antimalware\MpCmdRun.exe” -signatureupdate

  2. lambus

    If you very often use Google Reader, then add one subscription:
    https://www.microsoft.com/security/portal/RSS/UpdatesRSS.aspx
    or
    https://www.microsoft.com/security/portal/RSS/UpdatesRSS.aspx?PackageType=AS
    and you know always first about new updates…

  3. Andrew

    I created a task in task scheduler and made it update 5 minutes after login and then it repeats every 3 hours.

    In the program/script field paste “C:\Program Files\Microsoft Security Essentials\MpCmdRun.exe” and in the arguments paste -SignatureUpdate

    If you run it using the SYSTEM user account and check hidden the command prompt will not be displayed.

  4. bf

    My MSE beta 2 updates once a day and I never did anything to make it so.

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    The rates offered by online car insurance are easy to peruse and decide if you like them or not. The best part is that you don’t have some insurance agent breathing down your neck .

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