A computer virus might corrupt or delete important data stored on your computer, use e-mail program to multiply the virus on other computers, or even remove everything on the hard disk. Computer viruses mostly spread through attachments in e-mail messages and by instant messages. Therefore, you should not open an e-mail attachment until and unless you know who sent the message or you are expecting the e-mail attachment.
Malicious computer viruses can be easily disguised as attachments of greeting cards, funny images, or video and audio files. Also, sometimes viruses can hide themselves in the files you download from the Internet and in pirated software you install.
Because of the harm a computer virus can do, it is feasible to identify the existence of virus as early as possible. It can infect registry files, duplicate files, corrupt Windows, steal personal information or infect program libraries.
However, a few simple precautions can keep your PC free from all kinds of malicious virus threats and ensure optimum security. Various methods to ensure virus protection are discussed in the following points.
Antivirus software frequently scan files for atypical alterations in file size, programs that look like known viruses, apprehensive e-mail attachments and other warning signs. Installing antivirus software is one of the most important steps you can take to keep your PC free from viruses. You should install authentic antivirus software that can continuously run in the background of your system and provide constant security from Trojan horses, viruses, worms, bots and other malicious threats.
Make sure your e-mail program does not download attachments automatically. This is to ensure that you can properly examine and scan attachments prior to running them. It is feasible to refer to your e-mail program’s safety options.
Be sure to do a security check for all attachments you want to open or download. Perform scan even if you know the sender, as malicious code such as Trojan horses, can enter your system by appearing to be from a friendly source.
Configure your security software to automatically boot when you switch on your system. This will give you back-up defense in case you overlook to scan an e-mail attachment. Configuring it to begin by itself will make sure you get instant protection from malicious threat.
Avoid downloading files from untrustworthy websites. Also, do not download files you think are not safe. In case you have to download files from the Internet, make sure to scan each file before running it.
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