Most desktop computer or laptop users would freak out whenever a virus gets into their systems. You probably also would. The reason is that even a single virus could ruin all of your files and infect a large part of your system. Usually a short or small program, a computer virus has the ability to reproduce and duplicate at a fast rate from one computer to another. It could disrupt the capacity of the system to function well when infected. The presence of antivirus firewall software is needed to detect and identify the virus affecting your computer. Antivirus software could clean the infected file or the specific path wherein the virus is found.
Viruses are very harmful to your computer. These viruses vary in form and kind and some of these are very hard to identify and detect when in the system. Also, some viruses duplicate very fast and it would cost you much time to delete each of the viruses.
It is important to detect the virus in your computer as soon as possible to avoid getting all your files infected and getting your whole system crashed. Identifying common symptoms of virus infection could be of great help to avoid losing your computer. Some of these symptoms are as follows:
A computer could be infected with a virus when it is running slower than its usual performance for no considerable reason.
Your computer might be infected when its programs would crash, would not respond to your commands, and would often display error prompts on the screen. Also, the computer would restart by itself every now and then.
When your files and folders saved in the computer would be erased automatically, somehow, there might be something wrong with the system and it could be a virus.
Having a virus inside your computer would make the disk drives work ineffectively. When your drives would often not work properly, there might be a virus in the system.
Sudden appearance of uninstalled and unknown icons of programs on your desktop could also mean that there is a virus in the computer.
When your antivirus firewall software is malfunctioning or is disabled without your knowledge, it might be due to a virus inside your computer. The inability to install a new antivirus program in your computer could also be due to the virus.
Source by John Roy Foley