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Cannot delete - Access is denied - Make sure the disk is not full or write protected and that the file is currently not in use
http://www.vistaarticles.com/articles/283/1/Cannot-delete---Access-is-denied---Make-sure-the-disk-is-not-full-or-write-protected-and-that-the-file-is-currently-not-in-use
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Published on 12/10/2006
 
You use the Ximage.exe tool to mount a Microsoft Windows Imaging Format (WIM) file for read and write access in Windows Vista.

Cannot delete - Access is denied - Make sure the disk is not full or write protected and that the fi

To work around this problem and delete a mounted WIM file, click to select the file in Windows Explorer, and then press SHIFT+DELETE.

This problem occurs because you cannot use the standard user interface in Microsoft Windows Explorer to move or delete files that you create by using the Ximage.exe tool.