The issue is it doesn't want to connect with Zen-Cart.com to check for newer versions.
to bypass this modify:
\YOUR_ADMIN\includes\init_includes\init_fec_config.php
Change:
$zencart_com_plugin_id = 594;
to:
$zencart_com_plugin_id = 0;
When the plugin is 0 it bypasses the checking of the version
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