Thanks to modern anti-virus software, viruses are no longer a serious threat

Computer Viruses and Modern Antivirus Software

Antivirus software is used to detect , fix or remove infected computer files and documents with viruses . It also prevents the computer from spyware , adware and other kinds of malware . To understand the purpose and function of antivirus software it is very essential to know what computer viruses are

A virus relates to the health of the computer and can do number of things . They are small software programs that interfere with computer operations . They are usually hidden and are designed in a way that they

can easily spread from one computer to the other . There are many kinds of viruses such as , worms , Trojans , Adware , Spyware , Rootkits , Phishing and Spam

A virus if not treated on time might delete or corrupt data stored erase everything on computer hard disk or even can use email programs to spread itself to other computers . Usually , computer viruses are spread through instant messaging messages or emails (Filiol , 2005 , 67 . They can also be disguised as humorous attachments , audio and video files or greeting cards . Computer viruses can also be hidden in illicit programs software or files a person might download . Hence , they can be spread by internet downloads . It makes a computer run slowly , sends unauthorized messages , damage part of a system , prevent computers from booting up and might attack other machines and devices attached to a computer Therefore , antiviruses are used in order to protect the computer from such threats (Henderson , 2005 , 23

These days there are...