===== Anti-Virus Software =====
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On a computer running Microsoft Windows, it is important to have up to date anti-virus software that has not expired.  Many manufactured Windows machines come with a trial version of anti-virus such as Norton or MacAfee, we recommend setting up a subscription or removing this software and installing a free one.

For home and small business computers we recommend this free Anti-Virus [[http://windows.microsoft.com/en-us/windows/security-essentials-download|Microsoft Security Essentials]].

If you prefer a lightweight paid for Anti-Virus we've had great luck with [[http://www.eset.com/us/|Nod32]].

**CalTel recommends but does not support 3rd party software.  Please contact the software developer if you experience problems.**