What you need is a boot disk that allows you to see NTFS partitions without invoking windows, you would then run from the bootdisk and well do whatever you like really.
If you go
here you can get one!
EDIT: You could also try
Unlocker Unlocker is an explorer extension that allows you with a simple right-click of the mouse on a file or folder to get rid of error message such as error deleting file or folder, cannot delete folder: it is used by another person or program etc...
Try it.