>> I have installed and configured kchildlock to limit the use time of the >> computer for some young users. However, nothing happens. Who can help me? I >> am using fedora. > > It's important to say which version of Fedora you have, as older > versions (16 and earlier) no longer have support. Sorry, I forgot that. I am using Fedora 18 with kde 4.10.1. Frédéric