Thread: What are Common symptoms of viruses?

Hi. I am not a computer savvy. I want to what are Common symptoms of viruses. All possible replies and comments are appreciated. Thanks in advanced.

If a computer has infected by a virus same basic things may occur. Which are listed below:

a. Computer may shut down and off without warning

b. A computer may run slower than normal

c. Programs may crash over and over again

d. The computer screen may not be visible

e. Windows may look like to freeze from time to time

f. Error messages may occur when you start or shut down the computer