How To Know If You Have A Computer Virus

How To Know If You Have A Computer Virus. Our increasing reliance on computers for work and daily activities can be a great convenience, but it also increases the negative impact of a computer virus.. Installing anti-virus (AV) software is an essential step in protecting your computer, but even the best AV software won’t detect all viruses.. You must also use your observation skills to identify the following behaviors that could indicate your computer is infected.. Abnormal Disk Activity.