If you think you have received a Windows patch or upgrade from Microsoft Corporation via email, think again. Microsoft has a policy of never sending patches or upgrade to customers through email. What's more important: do not click on the attachment, which is actually a new virus (or worm).

The Windows patch is not the only way that the new W32.Swen.A@mm virus may appear in your inbox, but it is one of the most convincing forms of the virus. Other variations include mail failure notices that appear to have bounced back to the sender.

In essence, the virus creators are trying to trick you into activating their malicious code. The Swen virus is not only being sent by email; computer users can also become infected throughKaZaA, IRC, Network Shares, and newsgroups.

Here is an example of the Microsoft version of the message:

The virus takes a number of actions if it is activated. (Click here for details.)

If you believe your machine has been infected by this new virus, there is a complicated process you must follow to remove the virus from your computer. Check with your antivirus protector for detailed instructions.

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