It looks like defrag may have been unregestered by another app <like
Diskkeeper, etc..>. If so, uninstall, reinstall, and once again
uninstall the application. This should clear any improper installation
or uninstalls.
If this doesn't help try this. <strongly recommend you read this>
Follow Microsoft's Description for editing and backing up your
registry.
http://support.microsoft.com/kb/256986 or Q256986.
Start Notepad.exe, and then copy the following text into a blank text
file:
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\CLSID\{44EC053A-400F-11D0-9DCD-00A0C90391D3}]
@="Registrar Class"
[HKEY_CLASSES_ROOT\CLSID\{44EC053A-400F-11D0-9DCD-00A0C90391D3}\InprocServer32]
@="C:\\WINDOWS\\system32\\atl.dll"
"ThreadingModel"="Both"
[HKEY_CLASSES_ROOT\CLSID\{44EC053A-400F-11D0-9DCD-00A0C90391D3}\ProgID]
@="ATL.Registrar"
On the File menu, click Save As, and then click All Files in the Save
as type box. Name the file Fixalt.reg, and then save the file to the
desktop on your computer. You can double-click the Fixalt.reg file to
merge the information into the registry of the non-functional computer.
Start Notepad.exe, and then copy the following text into a blank text
file:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MMC\NodeTypes\{476e644a-aaff-11d0-b944-00c04fd8d5b0}]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MMC\NodeTypes\{476e644a-aaff-11d0-b944-00c04fd8d5b0}\Extensions]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MMC\NodeTypes\{476e644a-aaff-11d0-b944-00c04fd8d5b0}\Extensions\ContextMenu]
"{43668E21-2636-11D1-A1CE-0080C88593A5}"="DfrgSnapin"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MMC\NodeTypes\{476e644a-aaff-11d0-b944-00c04fd8d5b0}\Extensions\NameSpace]
"{8EAD3A12-B2C1-11d0-83AA-00A0C92C9D5D}"="Disk Management Extension"
"{43668E21-2636-11D1-A1CE-0080C88593A5}"="DfrgSnapin"
"{243E20B0-48ED-11D2-97DA-00A024D77700}"="Removable Storage Extension"
On the File menu, click Save As, and then click All Files in the Save
as type box.Name the file Fixdefr1.reg, and then save the file to the
desktop on your computer. You can double-click the Fixdefr1.reg file to
merge the information into the registry of the non-functional computer.
Start Notepad.exe, and then copy the following text into a blank text
file:
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\CLSID\{43668E21-2636-11D1-A1CE-0080C88593A5}]
@="DfrgSnapin Class"
[HKEY_CLASSES_ROOT\CLSID\{43668E21-2636-11D1-A1CE-0080C88593A5}\InprocServer32]
@="C:\\WINDOWS\\System32\\dfrgsnap.dll"
"ThreadingModel"="Apartment"
[HKEY_CLASSES_ROOT\CLSID\{43668E21-2636-11D1-A1CE-0080C88593A5}\ProgID]
@="DfrgSnapin.DfrgSnapin.1"
[HKEY_CLASSES_ROOT\CLSID\{43668E21-2636-11D1-A1CE-0080C88593A5}\TypeLib]
@="{CD83A785-6F75-11D2-A385-00609772642E}"
[HKEY_CLASSES_ROOT\CLSID\{43668E21-2636-11D1-A1CE-0080C88593A5}\VersionIndependentProgID]
@="DfrgSnapin.DfrgSnapin"
On the File menu, click Save As, and then click All Files in the Save
as type box. Name the file Fixdefr2.reg, and then save the file to the
desktop on your computer. You can double-click the Fixdefr2.reg file to
merge the information into the registry of the non-functional computer.
Finally you need to register the snapin back into your machine.
Open the Command Prompt;
Click Start, run, under open type "cmd"
Type "CD \WINDOWS\system32" and press Enter.
Type "Regsvr32.exe DfrgSnap.dll" and press Enter.
Type "Regsvr32.exe dfrgsnap.dll" and press Enter.
A window will appear confirming the success of the registration;
select OK.
exit the command prompt and try defrag again...
good luck!~
-as
