FTP problems - I can't delete folders!

I've tried using CuteFTP, WS_FTP and IE 6.0 - there are a few folders on my site that, when I try to delete them, give me an error: "550: directory not empty," even though it REALLY IS empty - and the CHMOD is set to 777 on them. How come I can't delete them? It's driving me CRAZY!

 

[GigaCluster]

You possibly have hidden files there... or maybe other directories inside the directory you're trying to delete -- those are considered files by FTP as well, you know.
If you can, log on to the shell of that server and do a "ls -a" to view all hidden files.

 

[hoihtah]

if you can't delete it.. .then rename the folder to 'haunted'



try what gigacluster suggested