Your Windows Live ID is essentially your online identity for all of the Windows Live services, Xbox Live, Zune and other third party websites (such as Expedia.com) that utilize Windows Live ID. If you're using Windows Live Hotmail and Windows Live Messenger, your Windows Live ID stores all your contacts and email messages. Your Windows Live ID is definitely something you don't want to have compromised and I've got several pointers - or best practices - in keeping your Windows Live ID safe.

Do not hand out your password! Don't give anyone your password to your Windows Live ID. Handing out your password to anyone is simply asking for trouble. Don't even give out your password to friends or family. I can't imagine a reason why they would need it. Just don't give out your Windows Live ID credentials at all.

Be careful giving your Windows Live credentials on non-Microsoft websites. There are some websites out there that will claim they "require" your Windows Live ID credentials for their service. Some sites use this tactic to gain access to your Windows Live ID.

Fact: Microsoft will only ask for your Windows Live ID credentials on login.live.com and nowhere

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To help celebrate St. Patrick's Today - the Windows Live OneCare Team is kicking off a brand new campaign: Get Green Stay Green.

The Get Green Stay Green campaign is designed to make sure Windows Live OneCare users are staying "green" - meaning their PC Health Status. Here is Amy Barzdukas, Senior Direct here at Microsoft, to talk about Windows Live OneCare and keeping your PC safe. Amy leads the Windows Live OneCare Team.

Video: Microsoft Windows Live OneCare

I use Windows Live OneCare on my 3 personal home PCs - which are connected together in an OneCare Circle (you can have up to 3 PCs in an OneCare Circle). This lets me manage the PC Health for all my personal PCs. If any of my PCs in my OneCare Circle have their PC Health Status change to yellow or red, I can quickly see which PC it is and why. I can then do what is needed to bring that PC back to green. Keeping all my PCs green is very important to me. If any of my PCs slip into

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