Get a antivirus and don't go on any websites you don't trust
It gives problems when there a virus on your computer/laptop
A computer virus is a computer program that can copy itself and infect a computer without permission or knowledge of the user.
worms are viruses that don't require user to user for access,as in from downloading games or software downloads.
Manually operated user sensible equipment.
Never connect to the internet, never download to or from a device that has been connected to another computer or the internet. Always use genuine software. Never use secondhand software or software from an unknown origin.
The average computer user can install or have installed virus protection software on the computer. This is the most basic security measure that can be easily applied.
Everyone needs an anti virus for there computer. There are some many harmful viruses on the computer waiting for the unsuspecting user to open up the file.
Standalone software that does not require a user to assist in its propagation is often called a computer virus or just a virus.However, in order for a virus to propagate (transmit a copy of itself) to another computer, there must be something on the second computer that allows the virus to be accepted and to run/execute. It could be a person not aware of the virus that allows it to be accepted. It also could be software on the destination computer that, by design or as a result of faulty programming, intentionally or unintentionally allows the virus program to enter the computer and become active.
They can harm your computer financially, they can cause your computer to slow down, crash your computer, track websites you have been on and, they will log user information.
1. List 5 risks to user's computer data
On Win XP i doesn't get a message about a virus but on win 7 i get it. I user Avast and haven't any problems.
If you have any value information on your computer you need to protect your computer from viruses used by identity thieves. Otherwise you have to protect your computer because viruses will hamper it's performance. They can literally turn a great computer into a terrible computer.