Methods to prevent computer virus

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Methods to prevent computer virus from my own experience.

Submitted: October 23, 2011

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Submitted: October 23, 2011



Methods to prevent computer virus

Computers are used extensively nowadays, for work, education, entertainment, etc. . But we all must avoid something when using computers - computer virus. Virus comes mainly from e-mail attachments and website caches. They must be executed by someone to be able to harm their computer, so never download or even view strange messages.

Sometimes a hacker would send a message informing you that your bank account needs some particular modification, and gives you a link to a fake page, where you might enter your card number and password. This isn’t an example of virus, but a scam, from my own experience, just another good reason to be skeptical of the e-mail you receive, and don’t believe in what is said in a Spam mail. Back to virus, we never know when or where they’re stored and launched, therefore a good defense is required in order to block virus.

Dummies would afford an anti-virus program, to search for and delete them. There’re two unideal facts about anti-virus programs: 1. A very capable program that can ferret out well disguised virus is not free, 2. These programs tend to take significant space and also may slow your computer down, causing a user to believe that there’s virus, when it is the virus detector that’s being unfaithful.

Intellectuals would find what they believe to be intelligent ways of dealing with this threat. They use the system restore feature that’s built in Windows, or they create a backup file, like a GHO, that contains a healthy system, and rewrite it on to the system in use when signs of a virus lingering around is apparent. These methods are quite convenient, but disadvantages remain: Before the user becomes aware of the virus, private files may have been hacked already.

Geeks would use obscure yet effective methods, like, the EWF ( Enhanced Write Filter )[1] which saves all the modification to your system onto your memory chip, and after a restart, everything remains the same; or Deep Freeze[2], something similar to EWF, but saves modifications to hard disk instead. Both are brilliant methods, since as long as the user frequently restarts, no virus shall endure, yet some may find them inflexible, i.e. any saved on the Desktop disappears after a restart.

Sages would switch to another operating system, like Unix. As a matter of fact, Unix operating systems i.e. Ubuntu, Fedora, are less affected by virus due to its vastly superior constitution and architecture, and because its free, virus creators aren’t interested. As long as you take precautions such as not visiting unhealthy websites, the chances of catching any virus are scarce.

As a conclusion, here’s a list of the methods to prevent virus for Windows system:

  • Anti-Virus Program
  • Windows System Restore
  • Manual Backup
  • EWF
  • Deep Freeze

Or for a simple/not so simple solution

  • Switching to Unix

Perhaps I am biased upon some of the methods, so choose the one you think is best. Any comments are welcomed.


[1] Windows XP:

Windows 7:


© Copyright 2019 David Coleman. All rights reserved.

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