How to delete a folder from bootcamp using OS X?
iMac, OS X Yosemite (10.10.2)
Yosemite can not write to NTFS file system, which is what Windows uses without have third party software installed. In order to delete anything from the NTFS file system it is necessary to write to the NTFS file system to remove it.
If you are really desperate you can see http://www.cnet.com/news/how-to-manually-enable-ntfs-read-and-write-in-os-x/.
How to delete a folder from bootcamp using OS X?