It has come to our attention that a very rare error can occur during registration of our products if there is a permissions issue with eSellerate's Application Support folder.  If you receive a -25011 error during installation, please use the Finder to navigate to /Library/Application Support/MindVision.  Do a Get Info on the MindVision folder and ensure that the MindVision folder and all of the files inside of the MindVision folder are writeable by the current user.  NOTE that this folder is in the general /Library folder, not the user's ~/Library folder!  There are certain cases where the /Library/Application Support/MindVision cannot be created and in those cases the folder is created in the User's ~/Library/Application Support/MindVision.

If this still does not work, you may try to update the eSellerate engine library by downloading it from http://www.esellerate.net/esellerate_update.asp

This tool will reseet all permissions on these folders and install the latest engine update.