If an issue is encountered when trying to obtain a new licence or an API does not function on a MAC computer. Then follow these instructions to disable the MAC Socks 5 proxy.

1. Left click on the network icon normally located on the very top Apple toolbar.
2. Select Open network Preferences.
   
3. Highlight your active network and select Advanced.
   
4. Select the Proxies tab.
5. Un-tick the SOCKS proxy and OK to exit.
   
6. Select Apply to save this setting change.
7. Re open TaxCalc and test.

If you continue to have issues please contact TaxCalc support for further assistance.