Windows Live OneCare or Windows OneCare Live is a computer and performance enhancement service that was developed by Microsoft for PC's that uses its proprietary Windows operating systems. What it does is help check PC's for viruses and removes them. Windows Live OneCare can also help improve PC performance by getting rid of unwanted items on the computer's hard disk.

Windows Live OneCare debuted in stores on May of 2006 after going through beta testing. It has since gone through its different versions with its current version 2.5 released on July of 2008. It functions more than just anti-virus software.

Windows Live OneCare also integrates a firewall, backup and restores utility aside from being a PC tune up tool. Windows Live OneCare is also integrated with Windows Defender for protection against malware. The version 2 of the Windows Live OneCare also features multi-PC use, printer sharing support, pro-active repair functions, centralized back up as well as a start time optimizer.

Real-Time Anti-Virus Protection

Windows Live OneCare can automatically scan and clean attachments and downloads to prevent virus threats from harming PC's. This also includes files that are received through MSN Messenger and Windows Live Messenger. It can also check files already installed in PC's and scan them for viruses and other threats.

It is blocks access to infected programs and files until the user has decided what best to do about them. The windows Live OneCare provides protection against the current virus threats as its virus definition files are updated automatically when the PC is online.

Performance Tune-ups

Windows Live OneCare also provides a PC tune up feature that allows scheduled automatic scans that diagnose and fixes certain PC issues before they become a serious problem. It helps maintain the user's important settings as well as helps correct broken hardware and software configurations.

Its Start-time optimizer feature helps in checking start up applications on a constant basis to determine which programs are only seldom used or not at all. It gives the user the option to disable these applications in order to speed up the PC during start up.

Windows Live OneCare was designed for ease of use by home users. The program makes use of a simple interface with minimal menus to lessen user confusion. The windows Live OneCare is offered with a free 90-day trial period and with the option to proceed to a paid subscription after the trial period lapses.