Utilities: PC-Lock v.2.40
PC-Lock is a small utility that allows you to lock the keyboard under Windows operating systems, and thus, you can not worry about the safety of typed documents and files made while on some business left the computer for a while. During operation, the program disables access to the Windows Task Manager, disables the combinations ALT + F4, CTRL + ALT + DEL and ALT + TAB. In addition, PC-Lock has a set of settings, so you can independently set some parameters of the program.
Load PC-Lock v.2.40 from there (1.9 MB, Shareware, Windows All).