Hackers may get in the C: drive of a Windows Web Server, and create hundreds of folders to hide such files as games, music, and viruses. These folders often cannot be deleted, even though they may be able to be renamed.
The RMD utility from www.MaresWare.com is effective in removing these unwanted directories.
The syntax is RMD -r -F
The r stands for Recurse through all the directories
The F means to Force deletion of hidden and read only folders.
This utility solves the Mystery of the Folder that Won't Delete