Windows Live OneCare service overview

Home Page

Help & Support

How to Protect Your Computer
What do Virus Threat Levels Mean
Add Another Computer
Uninstall Another Antivirus Program
Installation Requirements
ISV Help Center FAQ
Top Threats
Safety Scanner
Feedback

Learn More

Subscribers

Activate a Product Key

Small Business

Buy Today! $49.95

View Demo

Free Trial

Help & Support for Windows Live OneCare

Find quick answers to your questions and support professionals at the ready to assist you.

For the best support experience, confirm your local language and OneCare product:

Technical Support

Learn how your Windows Live ID works with a OneCare subscription
Troubleshoot installation issues
The Windows Live OneCare service is not working or has been stopped
Troubleshoot problems with the Antivirus service not starting
Learn how to update Antivirus signatures that are out of date
Troubleshoot problems with the Firewall service not starting
Wireless Routers supported by OneCare
Printers not supported by OneCare

Launch Help for help with other technical and customer support questions.

Customer Support

Update your account information
Renew OneCare
Cancel OneCare

Connect with the Community

Windows Live OneCare Forums
OneCare Blog
OneCare Wiki

Independent Software or Hardware Vendors visit the ISV Help Center FAQ.