<s>
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
(	O
previously	O
Windows	B-Protocol
OneCare	I-Protocol
Live	I-Protocol
,	O
codenamed	O
A1	O
)	O
was	O
a	O
computer	O
security	O
and	O
performance	O
enhancement	O
service	O
developed	O
by	O
Microsoft	O
for	O
Windows	O
.	O
</s>
<s>
A	O
core	O
technology	O
of	O
OneCare	B-Protocol
was	O
the	O
multi-platform	O
RAV	O
(	O
Reliable	O
Anti-virus	B-Application
)	O
,	O
which	O
Microsoft	O
purchased	O
from	O
GeCAD	O
Software	O
Srl	O
in	O
2003	O
,	O
but	O
subsequently	O
discontinued	O
.	O
</s>
<s>
On	O
18	O
November	O
2008	O
,	O
Microsoft	O
announced	O
that	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
would	O
be	O
discontinued	O
on	O
30	O
June	O
2009	O
and	O
will	O
instead	O
be	O
offering	O
users	O
a	O
new	O
free	O
anti-malware	B-Application
suite	O
called	O
Microsoft	B-Application
Security	I-Application
Essentials	I-Application
to	O
be	O
available	O
before	O
then	O
.	O
</s>
<s>
However	O
,	O
virus	O
definitions	O
and	O
support	O
for	O
OneCare	B-Protocol
would	O
continue	O
until	O
a	O
subscription	O
expires	O
.	O
</s>
<s>
In	O
the	O
end-of-life	O
announcement	O
,	O
Microsoft	O
noted	O
that	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
would	O
not	O
be	O
upgraded	O
to	O
work	O
with	O
Windows	B-Device
7	I-Device
and	O
would	O
also	O
not	O
work	O
in	O
Windows	B-Application
XP	I-Application
Mode	O
.	O
</s>
<s>
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
entered	O
a	O
beta	O
state	O
in	O
the	O
summer	O
of	O
2005	O
.	O
</s>
<s>
On	O
31	O
May	O
2006	O
,	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
made	O
its	O
official	O
debut	O
in	O
retail	O
stores	O
in	O
the	O
United	O
States	O
.	O
</s>
<s>
The	O
beta	O
version	O
of	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
1.5	O
was	O
released	O
in	O
early	O
October	O
2006	O
by	O
Microsoft	O
.	O
</s>
<s>
Microsoft	O
acquired	O
Komoku	B-Protocol
on	O
20	O
March	O
2008	O
and	O
merged	O
its	O
computer	O
security	O
software	O
into	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
.	O
</s>
<s>
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
2.5	O
(	O
build	O
2.5.2900.28	O
)	O
final	O
was	O
released	O
on	O
3	O
July	O
2008	O
.	O
</s>
<s>
On	O
the	O
same	O
day	O
,	O
Microsoft	O
also	O
released	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
for	O
Server	O
2.5	O
.	O
</s>
<s>
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
features	O
integrated	O
anti-virus	B-Application
,	O
personal	B-Protocol
firewall	I-Protocol
,	O
and	O
backup	B-Application
utilities	I-Application
,	O
and	O
a	O
tune-up	O
utility	O
with	O
the	O
integrated	O
functionality	O
of	O
Windows	B-Application
Defender	I-Application
for	O
malware	O
protection	O
.	O
</s>
<s>
Version	O
2	O
added	O
features	O
such	O
as	O
multi-PC	O
and	O
home	O
network	O
management	O
,	O
printer	O
sharing	O
support	O
,	O
start-time	O
optimizer	O
,	O
proactive	O
fixes	O
and	O
recommendations	O
,	O
monthly	O
reports	O
,	O
centralized	O
backup	B-Application
,	O
and	O
online	O
photo	O
backup	B-Application
.	O
</s>
<s>
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
is	O
built	O
for	O
ease-of-use	O
and	O
is	O
designed	O
for	O
home	O
users	O
.	O
</s>
<s>
OneCare	B-Protocol
also	O
attempts	O
a	O
very	O
minimal	O
interface	O
to	O
lessen	O
user	O
confusion	O
and	O
resource	O
use	O
.	O
</s>
<s>
Version	O
1.5	O
of	O
OneCare	B-Protocol
is	O
only	O
compatible	O
with	O
the	O
32	O
bit	O
versions	O
of	O
Windows	B-Application
XP	I-Application
and	O
Windows	B-Application
Vista	I-Application
.	O
</s>
<s>
Version	O
2	O
of	O
OneCare	B-Protocol
supports	O
64	O
bit	O
compatibility	O
to	O
Vista	B-Application
.	O
</s>
<s>
In	O
version	O
2.5	O
,	O
Microsoft	O
released	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
for	O
Server	O
which	O
supports	O
Windows	O
Server	O
2008	O
Standard	O
64-bit	O
and	O
Windows	O
Small	O
Business	O
Server	O
2008	O
Standard	O
and	O
Premium	O
editions	O
.	O
</s>
<s>
No	O
edition	O
of	O
OneCare	B-Protocol
operates	O
in	O
safe	O
mode	O
.	O
</s>
<s>
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
will	O
not	O
support	O
Windows	B-Device
7	I-Device
as	O
its	O
development	O
has	O
been	O
discontinued	O
and	O
replaced	O
by	O
Microsoft	B-Application
Security	I-Application
Essentials	I-Application
.	O
</s>
<s>
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
requires	O
users	O
to	O
activate	O
the	O
product	O
if	O
they	O
wish	O
to	O
continue	O
using	O
it	O
after	O
the	O
free	O
trial	O
period	O
(	O
90	O
days	O
)	O
through	O
a	O
valid	O
Windows	O
Live	O
ID	O
.	O
</s>
<s>
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
does	O
not	O
require	O
the	O
operating	O
system	O
to	O
be	O
checked	O
with	O
Windows	O
Genuine	O
Advantage	O
.	O
</s>
<s>
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
Protection	O
Plus	O
is	O
the	O
security	O
component	O
in	O
the	O
OneCare	B-Protocol
suite	O
.	O
</s>
<s>
An	O
anti-spyware	O
tool	O
that	O
uses	O
the	O
Windows	B-Application
Defender	I-Application
engine	O
as	O
a	O
core	O
to	O
protect	O
against	O
potentially	B-Application
unwanted	I-Application
software	I-Application
(	O
In	O
version	O
1.0	O
,	O
this	O
required	O
the	O
separate	O
installation	O
of	O
Windows	B-Application
Defender	I-Application
and	O
was	O
not	O
integrated	O
into	O
the	O
OneCare	B-Protocol
interface	O
,	O
although	O
it	O
could	O
be	O
managed	O
and	O
launched	O
from	O
OneCare	B-Protocol
.	O
</s>
<s>
Version	O
1.5	O
integrated	O
the	O
Windows	B-Application
Defender	I-Application
engine	O
into	O
OneCare	B-Protocol
and	O
no	O
longer	O
requires	O
separate	O
installation	O
.	O
)	O
</s>
<s>
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
1.5	O
onwards	O
also	O
monitors	O
Internet	B-Application
Explorer	I-Application
7	I-Application
and	O
8	B-Application
security	O
settings	O
and	O
ensures	O
that	O
the	O
automatic	O
website	O
checking	O
feature	O
of	O
the	O
Phishing	O
Filter	O
is	O
enabled	O
.	O
</s>
<s>
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
Performance	O
Plus	O
is	O
the	O
component	O
that	O
performs	O
monthly	O
PC	O
tune-up	O
related	O
tasks	O
,	O
such	O
as	O
:	O
</s>
<s>
A	O
full	O
virus	B-Application
scan	I-Application
using	O
the	O
anti-virus	B-Application
component	O
in	O
the	O
suite	O
.	O
</s>
<s>
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
Backup	B-Application
and	O
Restore	O
is	O
the	O
component	O
that	O
aids	O
in	O
backing	O
up	O
important	O
files	O
.	O
</s>
<s>
When	O
restoring	O
files	O
,	O
the	O
entirety	O
or	O
a	O
subset	O
of	O
them	O
can	O
also	O
be	O
restored	O
to	O
a	O
networked	O
computer	O
,	O
as	O
long	O
as	O
it	O
's	O
running	O
OneCare	B-Protocol
as	O
well	O
.	O
</s>
<s>
The	O
Backup	B-Application
and	O
Restore	O
component	O
supports	O
backup	B-Application
software	I-Application
features	O
such	O
as	O
incremental	O
backups	B-Application
and	O
scheduling	O
.	O
</s>
<s>
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
has	O
been	O
criticized	O
from	O
both	O
users	O
and	O
competing	O
security	O
software	O
companies	O
.	O
</s>
<s>
Microsoft	O
's	O
acquisition	O
of	O
GeCAD	O
RAV	O
,	O
a	O
core	O
technology	O
of	O
OneCare	B-Protocol
,	O
and	O
their	O
subsequent	O
discontinuation	O
of	O
that	O
product	O
,	O
deprived	O
the	O
Linux	O
platform	O
(	O
and	O
others	O
)	O
of	O
one	O
of	O
its	O
leading	O
virus	O
scanning	O
tools	O
for	O
e-mail	O
servers	O
,	O
bringing	O
Microsoft	O
's	O
ultimate	O
intentions	O
into	O
question	O
.	O
</s>
<s>
On	O
26	O
January	O
2006	O
,	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
was	O
criticized	O
by	O
Foundstone	O
(	O
a	O
division	O
of	O
the	O
competing	O
McAfee	O
anti-virus	B-Application
)	O
for	O
the	O
integrated	O
firewall	O
having	O
default	O
white	O
lists	O
which	O
allow	O
Java	B-Device
applications	O
and	O
digitally	O
signed	O
software	O
to	O
bypass	O
user	O
warnings	O
,	O
since	O
neither	O
of	O
those	O
applications	O
carry	O
assurances	O
that	O
they	O
will	O
not	O
have	O
security	O
flaws	O
or	O
be	O
written	O
with	O
a	O
malicious	O
intent	O
.	O
</s>
<s>
Microsoft	O
has	O
since	O
responded	O
to	O
the	O
criticism	O
,	O
justifying	O
their	O
decision	O
in	O
that	O
Java	B-Device
applications	O
are	O
"	O
widely	O
used	O
by	O
third	O
party	O
applications	O
,	O
and	O
is	O
a	O
popular	O
and	O
trusted	O
program	O
among	O
our	O
users	O
"	O
,	O
and	O
that	O
"	O
it	O
is	O
highly	O
unusual	O
for	O
malware	O
to	O
be	O
signed.	O
"	O
</s>
<s>
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
has	O
also	O
been	O
criticized	O
for	O
the	O
lack	O
of	O
adherence	O
to	O
industry	O
firewall	O
standards	O
concerning	O
intrusion	O
detection	O
.	O
</s>
<s>
Tests	O
conducted	O
by	O
Agnitum	O
(	O
the	O
developers	O
of	O
Outpost	O
Firewall	O
)	O
have	O
shown	O
OneCare	B-Protocol
failing	O
to	O
detect	O
trojans	O
and	O
malware	O
which	O
hijack	O
applications	O
already	O
resident	O
on	O
an	O
infected	O
machine	O
.	O
</s>
<s>
In	O
February	O
2007	O
,	O
the	O
first	O
Windows	B-Application
Vista	I-Application
anti-virus	B-Application
product	I-Application
testing	O
by	O
Virus	O
Bulletin	O
magazine	O
(	O
a	O
sister	O
company	O
of	O
Sophos	O
,	O
the	O
developers	O
of	O
Sophos	O
Anti-Virus	B-Application
)	O
found	O
that	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
failed	O
to	O
detect	O
18.6	O
%	O
of	O
viruses	O
.	O
</s>
<s>
Fifteen	O
anti-virus	B-Application
products	I-Application
were	O
tested	O
.	O
</s>
<s>
To	O
pass	O
the	O
Virus	O
Bulletin	O
's	O
VB100	O
test	O
,	O
an	O
anti-virus	B-Application
product	I-Application
has	O
to	O
detect	O
100%	O
of	O
the	O
viruses	O
.	O
</s>
<s>
AV-Comparatives	O
also	O
released	O
results	O
that	O
placed	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
last	O
in	O
its	O
testing	O
of	O
seventeen	O
anti-virus	B-Application
products	I-Application
.	O
</s>
<s>
As	O
of	O
April	O
2008	O
,	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
has	O
passed	O
the	O
VB100	O
test	O
under	O
Windows	B-Application
Vista	I-Application
SP1	O
Business	O
Edition	O
.	O
</s>
<s>
As	O
of	O
August	O
2008	O
,	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
placed	O
14th	O
out	O
of	O
16	O
anti-virus	B-Application
products	I-Application
in	O
on-demand	O
virus	O
detection	O
rates	O
.	O
</s>
<s>
On	O
the	O
other	O
hand	O
,	O
as	O
of	O
May	O
2009	O
,	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
placed	O
2nd	O
in	O
a	O
proactive/retrospective	O
performance	O
test	O
conducted	O
by	O
AV-Comparatives	O
.	O
</s>
<s>
The	O
publisher	O
also	O
points	O
out	O
that	O
false	O
positives	O
can	O
cause	O
as	O
much	O
harm	O
as	O
genuine	O
infections	O
,	O
and	O
furthermore	O
,	O
anti-virus	B-Application
scanners	O
prone	O
to	O
false	O
alarms	O
essentially	O
achieve	O
higher	O
detection	O
scores	O
.	O
</s>
<s>
After	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
was	O
discontinued	O
,	O
end-users	O
of	O
the	O
product	O
could	O
no	O
longer	O
install	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
due	O
to	O
the	O
installer	O
checking	O
Microsoft	O
OneCare	B-Protocol
's	O
site	O
for	O
updates	O
.	O
</s>
<s>
This	O
resulted	O
in	O
the	O
installation	O
giving	O
an	O
error	O
message	O
'	O
Network	O
problems	O
are	O
preventing	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
Installation	O
from	O
continuing	O
at	O
this	O
time	O
 '	O
.	O
</s>
<s>
This	O
project	O
was	O
named	O
'	O
OneCare	B-Protocol
Rewritten	O
 '	O
.	O
</s>
<s>
While	O
the	O
OneCare	B-Protocol
Rewritten	O
software	O
did	O
allow	O
successful	O
installation	O
of	O
OneCare	B-Protocol
,	O
many	O
of	O
the	O
notable	O
features	O
such	O
as	O
OneCare	B-Protocol
Circles	O
and	O
built-in	O
Backup	B-Application
feature	O
remain	O
non-functional	O
as	O
a	O
result	O
of	O
being	O
dependant	O
on	O
Microsoft	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
servers	O
.	O
</s>
