(You are using JAC 5.0 if you are directed to the http://www.justaddcommerce.net/o/order.dll network when clicking on a JAC button.)
Additional support sections:
Most Common Errors
JAC Real Time Processing Information
Miscellaneous Questions
Technical Support
All support is done via email. The link below is the only way to reach technical support:
JAC Knowledge Support Base
JAC Technical Support Hours: