Hello I pay for update my version 3 tu version 4 joomla 2.5 and when I want update version is say me :

The Download ID set in configuration is not valid. You will obtain the non-paid version of JoomSEF when launching upgrade from ARTIO Server.

INVOICE 25039

Order Number: 00025039
Order Date: Sunday, 10 June 2012 22:04
Order Status: Confirmed

Hello,
Do you have correct Download ID set in JoomSEF's Configuration on the Registration tab? You should use the one starting with 057b from order number 24749. Order number 25039 is for JomSocial extension.