Try this command for Disk Cleanup...
cleanmgr /d d: /sagerun:11
Paste the following line into the Start | Run box and click OK...
cleanmgr /d d: /sagerun:11
to make sure that it works for you before trying to schedule it.
This assumes that you have already setup sagerun:11
How to Automate the Disk Cleanup Tool in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;en-us;315246
How to Automate Disk Defragmenter Using Task Scheduler Tool in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;en-us;555098
There are two defrag tools in XP.
dfrg.msc is the pretty one that opens from
Start\All Programs\Accessories\System Tools.
defrag.exe is the command line tool that runs from the command prompt.
defrag.exe is the one that you can schedule.
Description of the New Command Line Defrag.exe Included with Windows XP
http://support.microsoft.com/default.aspx?scid=kb;en-us;283080
How To Schedule Tasks in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;en-us;308569
How to Defragment Your Disk Drive Volumes in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;en-us;314848
You can also download defrag_all2.vbs.
defrag_all2.vbs - Defrag All Hard Drives - Can be run as a scheduled task
Does not create an error log
© Doug Knox - rev 03/29/2002
http://www.dougknox.com/utility/scripts_desc/defrag_all.htm
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Hope this helps. Let us know.
Wes
MS-MVP Windows Shell/User
In