Did you try the other method I recommended?
Right click the shared folder, which should be in C:\Documents and Settings\(Your user account name)\shared. Right click this folder and click the properties link at the bottom. Then go to the tab sharing and then click share this folder on the network and it will then prompt you for a share name. If you want others to be able to add or delete files in there, then click the "allow users to change my files" box.