1. A computer storage memory having computer-executable instructions stored thereon that when executed cause a computing device to perform a method comprising: receiving a request for an execution role of a process selected by a user for execution on the computing device, said process having limited access to system resources; accessing configuration data relating to the process, said accessed configuration data defining rights for execution of the process; determining the rights for the process based on the accessed configuration data; accessing privilege data stored in a memory area to retrieve the execution role associated with the process based on the determined rights; receiving a request from the user for modification of the execution role for the process; and modifying the execution role based on the determined rights to enable the process a different level of access to the system resources.