Computer
viruses
are
nasty
programs
which
work
specifically
to
destroy
as
much
as
they
can.
They
copy
themselves
and
infect
computer
systems
without
the
knowledge
of
the
user
and
usually
through
email
attachments
and
downloads.
There
are
a
number
of
computer
viruses
being
spread
in
today’s
world,
but
luckily
there
are
also
a
number
of
different
anti-virus
programs
around
to
combat
them.
You
should
always
make
sure
that
you
have
an
anti-virus
program
downloaded
onto
your
computer
and
that
it
is
regularly
updated
otherwise
you
will
be
vulnerable
to
attack
by
viruses
which
could
in
reality
destroy
your
computer.
The
three
most
popular
downloads
are;
AVG
Anti
Virus
This
is
a
free
program
which
is
one
of
the
most
popular
on
the
market.
It
offers
very
high
levels
of
protection
as
well
as
an
easy
to
use
system.
There
are
regular
updates
to
be
installed
and
it
can
be
downloaded
very
easily
and
quickly.
Millions
of
people
throughout
the
world
use
AVG
to
protect
their
computers
and
documents.
Some
of
the
more
popular
features
it
offers
includes:
anti
virus,
anti
spyware
and
anti
spam
programs,
around
the
clock
technical
support,
consent
for
commercial
use,
firewalls,
high
speed
downloads
and
multiple
languages.
Ad-Aware
2007
This
is
also
a
very
popular
and
reliable
program
with
the
ability
to
provide
thorough
scans
of
the
RAM
system
as
well
as
the
hard
drives
and
all
external
storage
devices.
It
boasts
top
of
the
range
features
and
is
incredibly
easy
to
use.
Spybot
Search
&
Destroy
The
third
and
final
anti-virus
program
which
we
will
discuss
in
this
article
is
Spybot
Search
&
Destroy.
Most
computer
users
will
have
heard
of
this
program
and
some
may
even
have
used
it
before.
It
can
detect
and
remove
a
large
number
of
adware
files
from
your
computer
and
also
completely
eliminate
them
from
your
system
so
that
they
never
bother
you
again.
The
viruses
and
adware
infections
do
not
sit
in
folders
threatening
the
safety
of
your
machine,
but
are
completely
eliminated.
If
you
have
tried
and
tested
all
three
of
these
but
are
not
happy
with
any,
you
will
find
that
there
is
a
wide
range
available
for
download
on
the
internet,
but
these
three
really
are
some
of
the
very
best.
They
should
be
your
first
choice
when
looking
for
the
best
anti-virus
program.
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