Run Disk CleanUp and then chkdsk first.before trying Disk Defragmenter
again.

Read this link
http://www.updatexp.com/windows-xp-chkdsk.html

--


Hope this helps.

Gerry
~~~~
FCA
Stourport, England
Enquire, plan and execute
~~~~~~~~~~~~~~~~~~~



woodley56 wrote:
I get message "disk defragmentation could not start". Does anyone
know why? And how can I overcome this problem?