To enable to cancel and move the license of application software by erasing saved license information and informing a license issue system of the erasure.
The license issue system having received license movement request information checks user authentication information and information on a user, etc., included in the license movement request information, a license movement request confirmation part 36 confirms them, and a license movement start information issue part 37 issues license movement start information. In a user system having received the license movement start information, a license movement start part 32 which is navigator software confirms whether or not the information is correct and then starts an erasing process for the stored authentication information. An authentication information erasure part 33 erases the authentication information and an erasure confirmation part 34 confirms this erasure, and an erasure confirmation report part 35 generates information for reporting that the erasure is surely done.
TORII NAOYA
HASEBE TAKAYUKI
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