How to remove and avoid computer viruses?

Uprooting Viruses


How to remove and avoid computer viruses ?
A computer virus is malicious software (also known as "malware") that can copy itself and infect other software or files on your computer.
If you suspect your computer has been infected, then several antivirus websites provides step-by-step instructions for removing viruses and other malware.
Fortunately, if you update your computer and use free antivirus software such as AVG, you can help permanently remove unwanted software and prevent installation in the first place.

How do I know if my computer has been infected? After you open and run an infected program or attachment on your computer, you might not realize that you've introduced a virus until you notice something isn't quite right. Here are a few indicators that your computer might be infected:

►Your computer runs more slowly than normal.
►Your computer stops responding or freezes often.
►Your computer crashes and restarts every few minutes.
►Your computer restarts on its own and then fails to run normally.
►Applications on your computer don't work correctly.
►Disks or disk drives are inaccessible.
►You can't print correctly.
►You see unusual error messages.
►You see distorted menus and dialog boxes.

These are common signs of infection—but they might also indicate hardware or software problems that have nothing to do with a virus. Unless you run some kind of Malicious Software Removal Tool and install industry-standard, up-to-date antivirus software on your computer, there is no way to be certain if your computer is infected with a virus or not. Beware of messages warning you that you've sent email that contained a virus. This can indicate that the virus has listed your email address as the sender of tainted email. This does not necessarily mean you have a virus. Some viruses have the ability to forge email addresses. In addition, there is a category of malware called rogue security software that works by causing fake virus alerts to pop up on your computer.

How do I install updates and antivirus software if I can't use my computer? It might be difficult to download tools or update your computer if your computer has a virus. In this case, you can try one of the following options:

►Use another computer to download the tools to a disk.
►Get help through your Antivirus's website support.
►Have your system checked by a Technician

How can I prevent infection by computer viruses?
Nothing can guarantee the security of your computer, but there's a lot you can do to help lower the chances that you'll get a virus.
It's crucial to keep your antivirus software current with the latest updates (usually called definition files) that help the tool identify and remove the latest threats. You can continue to improve your computer's security and decrease the possibility of infection by using a firewall, keeping your computer up to date, maintaining a current antivirus software subscription, and following a few best practices.
Tip: Because no security method is guaranteed, it's important to back up critical files on a regular basis.

  

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