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Kaspersky Anti-Virus Personal 6 Online Manual

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Online Manual of Kaspersky Anti-Virus Personal 6
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Signs of Infection

There are a number of signs which show that a computer is infected. If you notice that your computer is doing strange things, specifically:
  • Unexpected messages or images appear on your screen or you hear unusual sounds;
  • The CD/DVD-ROM tray opens and closes unexpectedly;
  • The computer arbitrarily opens a program without your assistance;
  • Warnings pop up on the screen about a program on your computer attempting to access the Internet, even though you initiated no such action, then, it is highly probable that your computer has become infected with a virus.
There are also several typical traits of a virus infection through e-mail:
  • Friends or acquaintances tell you about messages from you that you never sent;
  • Your inbox houses a large number of messages without return addresses or headers.
It must be noted that these signs can results from problems other than viruses. They can sometimes arise from different causes. For example, in the case of the e-mail, infected messages can be sent with your return address but not from your computer.
There are also indirect indications that your computer is infected:
  • Your computer freezes or crashes frequently;
  • Your computer loads programs slowly;
  • You cannot boot up the operating system;
  • Files and folders disappear or their contents are distorted;
  • The hard drive is frequently accessed (the light blinks);
  • The web browser (for example, Microsoft Internet Explorer) freezes up or behaves unexpectedly (for example, you cannot close the program window).
In 90% of cases, these indirect systems are caused by malfunctions in hardware or software. Despite the low likelihood that these symptoms are indicative of infection, a full scan of your computer is recommended.

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