A frequently updated AVG anti-virus program should do the job well.
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Go to http://housecall.trendmicro.com or http://www.pandasoftware.com/activescan/com/activescan_principal.htm and click the Scan Now link to run a free on-line virus scan.
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Go to http://housecall.trendmicro.com or http://www.pandasoftware.com/activescan/com/activescan_principal.htm and click the Scan Now link to run a free on-line virus scan.