Jim check you rgroup policy settings by following these commands

Start,run,"gpedit.msc" in left pane click user config,admin
templates,microsoft management console,restricted/permitted snap ins,in
right panerclick disk defrag,properties, change the settings here and try to
run. you must have at least 15% free disk space to run defrag
"Jim" <bojimbo261@aol.com> wrote in message
news:1013k4l2gj6uompksj4agujaqi98pgdmu5@4ax.com...
> On Wed, 10 Dec 2008 21:48:14 -0800, Nagendra
> <Nagendra@discussions.microsoft.com> wrote:
>
>>not able to defrag my lap, pl help!!
>
> How big is the harddrive and how much free space ?