When I try to delete a group that remains showing deleted its subgroups I get a message from Webmin:
Faild to delete groups : Groups with subgroups cannot be deleted
1. Create group A.
2. Create group B as a member of A.
3. Delete group B.
4. Delete gourp A ... cannot be deleted.
OS : CentOS 4.4 / Nature's Linux 1.5.1
Webmin : 1.330