A computer is provided with an isolated computing environment. The isolated computing environment is adapted to allow initial programming for use in manufacturing, distribution and sales. The isolated computing environment further allows an authenticated source or authenticated code to update the isolated computing environment with code and configuration data for use in the end-user environment. To encourage final updating, the computer may be placed in a limited-function mode until authorized code is installed and operational. A method and apparatus are disclosed for the sanctioning and secure update of the isolated computing environment.