Microsoft Security Essentials (MSE) is a free anti-virus software for Windows computers.
Download Microsoft Security Essentials from Microsoft (LINK) or pick up a Norse Clean CD from the Technology Help Desk.
When the scan is complete, close MSE. It will continue to protect your computer by running in the background.
By default, MSE is configured to require little intervention on behalf of the user. This includes a weekly scan and to automatically download the latest anti-virus definitions on a regular basis. Users can alter these settings by right-clicking on the MSE icon and entering the appropriate tab.
Click Scan Now to start an immediate scan of your computer. You can pick between Quick, Full, or create a Custom scan.
Click Update to download the latest updates.
View all the items that MSE believes are potentially harmful and take the necessary actions
If you wish to change the default security settings in MSE, you can do so under the Settings tab. These options are available: