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Software execution control system and software execution control program

  • US 20060117314A1
  • Filed: 12/10/2003
  • Published: 06/01/2006
  • Est. Priority Date: 12/11/2002
  • Status: Active Grant
First Claim
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1. A software execution control system which updates first software installed in a user computer to second software, comprising:

  • a distribution part which distributes said second software that is encoded and an execution control program for controlling the execution of said second software to said user computer via a communications network; and

    a verification part which performs user verification by a request from said execution control program installed in said user computer, and which transmits specified information that is required in order to decode and start said second software to said execution control program via said communications network in cases where it is confirmed that the user is a valid user;

    wherein said second software is constructed so that this software can be started only by the starting information that is transferred from said execution control program; and

    said execution control program is constructed so as to;

    (1) decode said encoded second software on the basis of said specified information received from said verification part, and substitute this second software for said first software;

    (2) start said second software by creating starting information on the basis of said specified information; and

    (3) disable said second software when the execution of said second software is completed.

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