Give Everyone Full Control in this case
By doing this,
1) Start>Control Panel>Appearance & Themes>Folder Option,
uncheck "use simple sharing" on VIEW tab.
2) Check "share this folder" on SHARING tab, and press Permission
3) Give Everyone Full Ctrl
Windows 2000/2003 NTFS and Share Permissions
http://www.mcmcse.com/microsoft/guides/ntfs_and_share_permissions.shtml