<s>
PageDefrag	B-Application
is	O
a	O
program	B-Application
,	O
developed	O
by	O
Sysinternals	O
(	O
now	O
distributed	O
by	O
Microsoft	O
)	O
,	O
for	O
Microsoft	B-Application
Windows	I-Application
that	O
runs	O
at	O
start-up	B-Operating_System
to	O
defragment	B-Application
the	O
virtual	B-Architecture
memory	I-Architecture
page	B-Architecture
file	I-Architecture
,	O
the	O
registry	B-Protocol
files	O
and	O
the	O
Event	O
Viewer	O
's	O
logs	O
(	O
files	O
such	O
as	O
AppEvent.Evt	O
,	O
SysEvent.Evt	O
,	O
SecEvent.Evt	O
and	O
so	O
on	O
)	O
.	O
</s>
<s>
Using	O
PageDefrag	B-Application
may	O
improve	O
performance	O
.	O
</s>
<s>
Since	O
PageDefrag	B-Application
only	O
affects	O
a	O
few	O
files	O
,	O
it	O
takes	O
a	O
relatively	O
short	O
time	O
to	O
run	O
when	O
compared	O
to	O
entire-disk	O
defragmenters	O
such	O
as	O
Windows	B-Application
Defrag	I-Application
,	O
so	O
long	O
as	O
the	O
page	B-Architecture
file	I-Architecture
is	O
not	O
fragmented	O
.	O
</s>
<s>
If	O
the	O
page	B-Architecture
file	I-Architecture
is	O
fragmented	O
,	O
PageDefrag	B-Application
can	O
take	O
as	O
long	O
or	O
longer	O
than	O
Windows	B-Application
Defrag	I-Application
.	O
</s>
<s>
PageDefrag	B-Application
does	O
not	O
defragment	B-Application
the	O
contents	O
of	O
the	O
registry	B-Protocol
files	O
,	O
only	O
the	O
placement	O
of	O
these	O
files	O
on	O
the	O
hard	O
drive	O
.	O
</s>
<s>
Other	O
utilities	O
such	O
as	O
NTREGOPT	O
can	O
optimize	O
the	O
registry	B-Protocol
files	O
.	O
</s>
<s>
PageDefrag	B-Application
runs	O
on	O
Windows	B-Device
NT	I-Device
4.0	I-Device
,	O
Windows	B-Application
2000	I-Application
,	O
Windows	B-Application
XP	I-Application
,	O
and	O
Windows	B-Application
Server	I-Application
2003	I-Application
.	O
</s>
<s>
Though	O
the	O
website	O
erroneously	O
says	O
"	O
runs	O
on	O
Windows	B-Application
XP	I-Application
(	O
32-bit	O
)	O
and	O
higher	O
(	O
32-bit	O
)	O
,	O
Windows	B-Application
Server	I-Application
2003	I-Application
(	O
32-bit	O
)	O
and	O
higher	O
(	O
32-bit	O
)	O
"	O
,	O
the	O
tool	O
cannot	O
defragment	B-Application
the	O
pagefile	B-Architecture
on	O
Windows	B-Application
Vista	O
,	O
Windows	B-Application
7	O
,	O
or	O
Server	O
2008	O
;	O
it	O
is	O
able	O
to	O
defragment	B-Application
registry	B-Protocol
hives	O
on	O
these	O
versions	O
.	O
</s>
<s>
Workarounds	O
for	O
higher	O
versions	O
of	O
Windows	B-Application
,	O
including	O
64-bit	O
versions	O
,	O
include	O
using	O
a	O
BartPE	B-Application
disk	O
or	O
booting	B-Operating_System
from	O
a	O
Windows	B-Application
install	O
CD	O
and	O
using	O
the	O
provided	O
command	O
line	O
interface	O
.	O
</s>
