Click to read our editor's review for Windows Live OneCare Windows Live OneCare descriptionIntroducing Windows Live OneCare, the all-in-one, always-on PC care service from MicrosoftIntroducing Windows Live OneCare, the all-in-one, always-on PC care service from Microsoft. It works quietly in the background on your computer, so you don't have to worry about nasty interruptions from viruses, spyware, hackers, and other unwanted intruders. It also goes beyond security, regularly backing up all your important files and cleaning up and tuning up your computer to help keep it running at top speed. Because you have better things to do with your PC.

2.0 Beta Instructions: Hit the DOWNLOAD button, then transfer to your your computer the 2.0 Beta and run it. A special version of Windows Live OneCare (v1.6) will be installed on your computer. Within a few days your computer will be automatically updated to Windows Live OneCare Beta (v2.0)!

Windows Live OneCare Virus and Spyware Repair Tool
After an install or an upgrade of Windows Live OneCare, the antivirus and spyware component may not start properly. Users are shown a red action item entitled: "Urgent, Contact Help Center - OneCare virus and spyware protection encountered a problem and cannot start". This tool will attempt to repair the virus and spyware protection component of OneCare on this computer.

"Antivirus service could not start" patch
The patch fixes a problem in the Windows XP startup file (boot.ini) that can affect the Windows Live OneCare Antivirus service and prevent it from starting. If your computer is affected by this problem, you will see the following Action to Take in the Windows Live OneCare screen:

Urgent
Turn on Antivirus monitoring (At risk)
Windows Live OneCare Antivirus service could not start. (At risk)

The problem