A method and a computer system are disclosed for administration of medical applications running in parallel. At least one embodiment of the method includes creation of a number of application components as a result a beginning of a number of user actions; provision of a module for parallel execution and/or for coordination of the previously created application components, provision of a least one communication interface for exchanging messages and/or data between an application component and a command which is of interest to the application component which has been initiated by one of the user actions, and removal of the application component created by a user action after the user action has ended.