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#11
It may be that a Windows system file needs to be moved before fragmentation can be improved. I'd suggest downloading the trial version of PerfectDisk 11 Professional.
Provided the drive shows up, click on your Windows drive and then hit the "Analyze" button at the top-left of the interface. Once the analysis has completed, click "Save Statistics" at the right of the statistics pane.
Post the results here and we should be able to see if any system files are involved?