Among the proven methods to avoid laptop viruses are as follows. Computer is a flexible machine and may be very useful in our each day life. So know the proven techniques to avoid pc viruses. It's an digital gadget which performs arithmetic and logical operation. Essential information are saved in computer. Sometimes due to misuse undesirable information entered by way of various sources. This sort of undesirable knowledge is known as computer viruses. Pc virus is a small pc program which executes itself and unfold throughout the system. This infect our important information one get corrupted. It comes by means of various methods like pen drive, web, infected CD or DVD etc. We must always comply with some steps to keep away from pc viruses. Initially we proven techniques must always set up an antivirus program and scan the entire system. Whenever we insert an exterior system we must scan it earlier than use it. So we should replace the antivirus periodically. The antivirus needs to be purchased from the original vendor. Beside this a powerful firewall should be use to prevent entry from hackers, when the system is linked with internet. We are able to use anti spam to forestall e-mail spam. So these are some preliminary steps to stop laptop viruses. These are the proven strategies to avoid computer viruses