Microsoft Security Essantials found TrojanDownloader:Win32 / Brandal.A serious how do I remove it?

I noticed that Microsoft Security Essentials not updated as it should. I read that Brandal Trojan horse downloads and installs programs on your computer and I just got 8 updates of windows who want to download and security essentials has not updated sense on April 5. I have a HP dm4 3055 portable dx running Windows 7 Pro. Ill take ideas please...

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Microsoft Security Essentials should give you options regarding the Trojan horse. I suggest to choose to delete or quarantine.  Follow the instructions in this document to Microsoft web.

Regarding Microsoft Security Essentials not updated, try the steps of troubleshooting onThis Microsoft web document.

Be sure to keep us updated with your progress on the issue.

My personal preference is to use the paid antivirus and security applications such as ESET Smart Security and Norton Internet Security. Be installed with I never had problems with horses of Trojan or virus on any of my systems.

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