1. A method for managing one or more applications over a network according to a user profile associated with user login information, wherein the network is configured to be connected to a server system and to a client computer, the method comprising: receiving user login information; accessing the user profile associated with the login information, wherein the user profile includes a user environment configuration based on the user profile; synchronizing the user environment configuration with a client environment configuration on the client computer; and preloading at least one of the one or more applications according to the user profile onto the client computer from the server system by loading application modules from one or more application modules.