You can find ready fast answers for the netware item.
The desktop background can be harder. Look up google with the word NOCHANGEDESKTOP to find the registry tree that can hold the various restrictions. Fix? Delete the restrictions you don't want, reboot.
what is client service of net ware i can not change my desktop background , when i clik does not do nothing , and when i swich the user to my wyfe's i can change the desktop background if i want , please some body help me