If you leave computer, to eat or to toilet for example, seen that computer dont any activity, even indicator CPU usage in Task Manager show number 1 or 0 %. PC will await till you return and give comand to do something. at the time of computer not be used, real all components work full. For example,...

Blocking application to restrict it to execution. This is an useful trick I think to System Administrator or who have a PC that they want to protect their privacy. Its way : Open your registry editor (Click Start-Run then type regedit), then find the following key: HKEY_CURRENT_USER / Software...

Password is important way to protect computer so that cannot be used with the others. Sometime we forget password for login to computer, so that we cannot access system of windows. For the Windows XP we can be tried by using default User Administrator and without password. But if fail to, we usually...