Virus is the worst of malwares rogue programs that causes serious havoc on your computer system. A virus is self-replicating and impacts computer hardware, applications, and the Operating System. Viruses are designed to replicate themselves and to elude detection from antivirus applications, so with no great antivirus software it may not be possible to dig them from your computer system.
Computer virus is an executable Program written with the aim of causing a mess to your computer or network, and because viruses are programs, they are loaded into computer memory, implemented and instruct the computer to perform the actions dictated by the virus. A virus can teach infected Pc to re-write the virus on other computers in the system thereby spreading the virus from one computer to another. A virus payload can also delete files from hard disk, compose itself to another program, or perhaps spread throughout the net through file attachments.
Virus may fall into one of these categories;
1 Parasitic – infects executable files or programs in the computer
2 Bootstrap industry – infect the boot sector of the hard disk where OS start-up files are saved on the first partition.
3 Data file – These Kinds of Viruses can open, manipulate and close data files, and are often written in macro language. They mostly affect Microsoft Office Word file
4 Companion – this type of Virus makes a program with same name as another program that already exist on the computer, tricking the computer to conduct the rogue program rather than the actual program.
Protect yourself by backing up your computer frequently so that if there is an illness you can restore your system from up the back. Additionally it is important that you have quite reliable anti-virus software in your machine. Superior anti-virus must self-updates its database from time to time so that it can keep you from a new assault.
There are countless free PC virus defence software program alternatives available if you know where to look. Some antivirus programs outperform others so it pays to do your own research of pornographic virus alert from microsoft. AVG Free is the most popular antivirus program available and, additionally, works great with Windows 7.
Commercially available antivirus programs will be more effective at preventing viruses and provide better support when compared with the free alternatives. You have to consider great, commercial antivirus software if you use your Windows PC for anything besides trifling use e.g. gambling. Surely, for business use, you will have to take into account a business anti-virus solution to provide improved protection against uninvited system downtime and lost productivity.