Abstract: A system, method, and computer program product for delivery and automatic execution of security, management, or optimization software over an Internet connection to a user computer responsive to a user request entered via a web browser on the user computer. In a preferred embodiment, the user directs the Internet browser to a Internet clinical services provider web site computer and logs in to the site using an identifier and a secure password and optionally makes a selection of the type of servicing desired, wherein an automatically-executing software package encapsulated within a markup language communication unit deliverable across the Internet is delivered, to the user computer, the automatically-executing software package being adapted to perform security, management, or optimization functions on the user computer. User identifiers and passwords enabling the downloads may be provided on a per-download basis or on a subscription basis.

Abstract: A system, method, and computer program product are provided for cleaning a computer. Initially, a cleaning program is downloaded to a computer. Next, a search for undesired data and software is performed on the computer utilizing the cleaning program. Such undesired data and software is then deleted from the computer utilizing the cleaning program.

Abstract: A method and computer executable program code are disclosed to verify the source of software downloaded from a remote site to a client computer over a computer network before the software can be executed on the client computer.