Most of us have had to deal with a computer virus or some sort of malware by now.
How to Protect against Computer Viruses The last couple of months have seen a large rise in the number of computer viruses that are out there and spreading via e-mail.
The following guidelines may give you a fighting chance. I have divided this page into two sections - a quick guide for those who are experienced, or are short on time, and a more detailed section for anyone wanting more details.
Please do not ignore computer viruses - they can range from nuisance or joke programs to ones that erase the entire hard disk.
Keep a regular backup of your important files on floppy, zip disk, writeable CD, tape, another hard disk, etc.
Be aware that most current viruses arrive as e-mail attachments. Be very suspicious of any attachment that has any of the following file extensions: Opening the mail itself is safe, but clicking on any attachment can spread the virus instantly.
For PC users, I recommend the following: Use a web browser to connect to http: Update the virus definition files regulary, typically once a week but no fewer than once a month. See the detailed section below for how to do this. It is impossible for any anti-virus program to protect against all new viruses, so your best protection is to be very cautious about opening e-mail attachments.
See below for more details. Finally, if you do detect or suspect a virus, please let me Ravi know so we can keep track of the incidence of outbreaks.
I can also help you clean up the virus. To update virus definition files: These instructions are for Command Anti-virus for Windows only Start the Command anti-virus program by double-clicking on the yellow "C" icon in the lower right corner of your desktop near the time.
A window titled "Command AntiVirus" should appear on your desktop within 10 seconds. If you have never done this before then you need to enter the server address for automatic updates. If you have already entered the server address previously then skip to step 2 below. Click on "Preferences" then select "Advanced Click on the "Add" button.
In the Site Path field, enter http: Leave the Username and Password fields blank, and click on OK. Proceed to 2 below and update the Definition Files. Update Definition Files as follows: Open the main "Command AntiVirus" window. Click once only on the button labeled "Update Deffiles" and watch the Definition Files being updated.
A series of message boxes should appear on the screen showing the progress of the update. Finally, after a variable time that depends on network speed, a window appears asking whether you want to view the results of the update process.
Click on the "No" button. From the menu, select "Help" and "About Command DEF have been updated. You should update your definition files about once a month. What is a Computer Virus: A Computer Virus is simply a computer program with malicious intent.Preventing Virus Infections on your Computer Version Page 2 of 8 Introduction A computer virus is program code which 'hides' in other files and can either.
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