First of all the question is that what is computer virus or
how it entering in computer system. Virus is a kind of program or programming
code that performed some operations in computer without any kind of knowledge
of the owner. Some time computer viruses be very harmful and create critical condition
in front of the user and in their work. Some time user has lost their complete
data due to system crash. There are many
kinds of problems created by the viruses in computer like as crash the pc, pc
slow, data lost and some time hardware problem may effected the computer.
Now the question how does enter viruses in compute without
owner permission. There are various sources to enter virus in computer. When user works online or on internet then
with the download file some active code file download and auto execute in the
computer. This kind of code performed some tasks in behind of the pc. The big
source of the computer virus is online working.
Following are some points that help to protect pc from virus….
Update Antivirus:
Always keep an update and best antivirus software to protect from any kind of
viruses. An updates antivirus protects the computer from any kind of harmful
attacks that may harm to pc.
Regular PC Scanning:
A regular scanning process reduces harmful files that will be harmful for the
pc. A normal scan process every day before starting the work is a good habit
for every computer user.
Enable Firewall: Firewall
provides a pre entered checking to all the files. This is the best way to know the nature of
every file that entering in computer is good or bad. User must enable their pc
firewall for the better security before entering the virus in pc.
Disable Autorun: Maximum
virus and harmful files auto execute after download in the computer. So user must disable the pc auto rum option to
protect pc in better way.
Never Click on Email
Links: Some tile user gets some links and active content in the mail box. This
kind of mails can enter the viruses in the computer. User avoids clicking on
these kinds of links or files.