Possible Solutions:
1. Turn page file on.
Turning
the page file on is a relatively simple process. Begin by selecting
Start and right-clicking
My Computer. Choose
Properties and then press the
Advanced tab. Next, choose the
Settings button that is located in the
Performance area; choose the
Advanced tab in this area, and then
press the
Change button that is
found in the
Virtual Memory
area. There will be a choice called
System
Managed Size in the
Virtual
Memory area, select it, press
Set
(
this one is important), and
then choose
OK. The final move
is the most important one; at this point you need to restart the PC.
After you finish following these directions Disk Defragmenter should be
available to do its magic.
2.
Re-register the defragmenters snap-in files
It is possible
that
you install a third-party
defragmenter like Diskeeper, then on
uninstalling, it does not restore the built-in one correctly. Open
Command Prompt (good ol' DOS) by clicking
Start -> All Programs -> Accessories -> Command Prompt.
At the command prompt type,
cd \windows\system32And
then register the defrag components, by typing:
regsvr32 dfrgsnap.dll
regsvr32 dfrgui.dllAt
this stage, you may find the disc defragmenter works. If not, there is
one more step you can do.
Using
Windows Explorer
browse to your
windows\inf folder.
In there you will
find a file called
dfrg.inf
right click this file, and select
Install.
3. Check if you have enough free space on the drive you want to
defrag. It should have at least 15% free space. A
volume must have at least 15% free space for
defrag to completely
and adequately defragment it.
Defrag uses this space as a
sorting area for file fragments. If a volume has less than 15% free
space,
defrag will only partially defragment it. To increase the
free space on a volume, delete unneeded files or move them to another
disk.
4. Run CHKDSK on the volume first before defragmenting.
To run chkdsk on a volume (partition, disk), go to
Windows
Explorer (not to be confused with
Internet
Explorer) ->
right click the partition ->
Properties
->
Tools tab ->
Check now ->
place check
marks as required ->
Start
5. Check if you have the
appropriate services running.
Start > run >
services.msc [enter]
Browse down to these services and see if
appropriate settings was set.
Logical disk
manager - automatic
Logical disk manager
administrative service - manual or automatic
Defrag with
XP also needs the
DCOM Server Process
Launcher service running.
6. Your computer might have spyware or
malware. Some viruses/malware are known to interrupt/disable
system tools such as disc defragmenter. Try to download and run
No
Adware (
download
here), an anti-spyware and adware tool. You can also use
Malwarebytes
Anti-Malware tool or
Smitfraudfix
(
how
to use smitfraudfix?) to remove spywares or malwares that are
running on your system.
7.
Install and run third-party disk defragmenting software.8. If all of the above possible solutions
fail. I'm afraid you need to repair install your OS or as a last
resort, reformat your computer (but yeah, I know, nobody want to do that
just because of disk defragmenter).
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