What are the symptoms of a computer virus?

Answer by  sc1234 (1319)

Even if you have an anti-virus program, you need to be careful about what you download. Symptoms include slow performance, limited activity, and unwanted advertisements.

Answer by  JosueC (22)

The symptoms are not the same, it depends on what kind of virus you have. The most common are slow processing, a reduction of your Internet broadband, High memory consuming process, and so on. Recently, most virus are made to present no symptoms to the computer in order to deceive the user.

Answer by  Danielle2480 (247)

Usually the first indication that you have a virus is when your Anti-virus program picks it up. These can come from many places like downloads, plugins and emails. Slow computers and quirky things happening are other indicators