You can disconnect from internet with a pre assigned time set on your pc. Use this edit to automatically disconnect from Internet Explorer after a specified length of time has elapsed. Use this trick on anyone whom you don’t like using your computer with net.
Start > Run > Regedit > Go to:
Modify/Create DWORD Value of Data type REG_DWORD Named [Autodisconnect] Value Data:
[Enter a new disconnect time. Use Hexadecimal if you are unfamiliar with Binary]
Exit Registry / Reboot