I'm unable to delete some files I had uploaded in the past. These files are no longer needed and when I try to delete them through the Administrative File Uploader, it just refreshes the page and they're still there. Thanks in advance.
http://dkpfiles.com/iws/files/Anub%27arak-Killed.png
http://dkpfiles.com/iws/files/Anub%27arak.png
http://dkpfiles.com/iws/files/Blood-Queen%20Lana%27thel-Killed.png
http://dkpfiles.com/iws/files/Blood-Queen%20Lana%27thel-killed.png
http://dkpfiles.com/iws/files/Blood-Queen%20Lana%27thel.png
http://dkpfiles.com/iws/files/Twin%20Val%27kyr-Killed.png
http://dkpfiles.com/iws/files/Twin%20Val%27kyr.png