An urgent need to control cyber cafe in c / c + + for windows you need someone who has already done and the module can deliver in half an hour if it is in Spanish far better like makahawa but compiled in visual studio 2008.
It is available at Visual Studio 6 with VC++(MFC).
It can OFF/Send Message/Restart the Remote PC from 1 server. Other activities can be added as per requirement. If u r interested, let me know.
I can deliver the required software for you which will be able to control the computers remotely such as sending messages, viewing the data on the remote computer,turn on and off the computer and so on and so forth as per your requirements.