Hello depmode18, I hope the below information helps you! If you have any more questions, please let me know!Download and install an antivirus program, and make sure that you keep it updated
New viruses come out every minute, so it is essential that you have the latest signatures for your antivirus program to provide you with the best possible protection from malicious software.
Two good antivirus programs free for non-commercial home use are Avast!
and AntivirNote: You should only have one antivirus installed at a time. Having more than one antivirus program installed at once is likely to cause conflicts and may well decrease your overall protection as well as impairing the performance of your PC.Install and use a firewall with outbound protection
While the firewall built into Windows XP is adequate to protect you from incoming attacks, it will not be much help in alerting you to programs already on your PC attempting to connect to remote servers
I therefore strongly recommend that you install one
of the following free firewalls: Comodo Firewall
(remember to uncheck Install Comodo Antivirus) or Zonealarm
See Bleepingcomputer's excellent tutorial to help using and understanding a firewall hereNote: You should only have one firewall installed at a time. Having more than one firewall program installed at once is likely to cause conflicts and may well decrease your overall protection as well as seriously impairing the performance of your PC.
"Now faith is the substance of things hoped for, the evidence of things not seen."
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Malware analyst @ Emsisoft