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FLV files can be played online directly from a Web page or downloaded and played off-line. Play FLV computer files online using an Internet browser or off-line using the VLC media player with tips from a computer technician in this free video on computer software.

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Removing viruses for free can be done by searching for a particular virus on a major search engine, locating a software patch to delete it and running a virus sweep on the computer. Delete computer viruses for free with tips from a computer technician in this free video on computer software.

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Keep a PC running smoothly by not downloading malicious software, uninstalling old programs when performing program updates and not downloading software directly to a hard drive. Optimize a PC's performance by removing files, like video players, that have several different versions already loaded on a computer with tips from a computer technician in this free video on computer software.