Earth Simulations has ceased trading. As their installers connect to ES's website to authorise installation, so if you have any of their products I highly recommend you use ESI-pack to make full local backups.

QuoteFrom the ES Helpdesk (Still active for a short period of time apparently )
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Why has ES ceased trading?

? General FAQ

A number of factors have been instrumental in the decision to close down Earth Simulations.

*We have been unable to secure enough orders for our most recent product line to raise the capital needed to pay our way and therefore remain in business.
*Recent changes to taxation rules make running a small business such as ES extremely difficult. We are now required to register for VAT separately in every country we sell to and keep records of each sale accordingly. The added bureaucracy involved is quite honestly more trouble than it's worth.
*Within a month of setting up ES Microsoft pulled out of Flight Simulation development. Since then there has been a steady and continued decline in the add-on market which seems unlikely to improve any in the foreseeable future. Rather than things getting easier we can only see things getting harder.
*With the relentless struggle it has been up to making this decision, just to keep ES running and a roof over our heads, we have each worked consistently very long hours for what has been far less than even a minimum wage. As a result our health has suffered and the fun we once had making scenery has become increasingly hard to come by.
We would like to thank sincerely all our past customers, many of whom we consider to be our friends. We hope that you have had, and will continue to have many more hours of pleasure from our scenery creation efforts.

This helpdesk & ESInstaller will remain active for as long as possible but not indefinitely. We encourage you to create backups of your scenery installations.