Upgraded PC to NIS2013 and now Identity Safe won't connect to My Norton Account

I upgraded one of my 3 PCs to NIS2013 and now I get the following error window every time I attempt to log into My Norton account:

 

NIS error.JPG

 

I can login to My Norton Account on the website  and on the PCs still running NIS 2012 with no problems so I know my credentials are correct. This happens in both Firefox 15 and IE8

 

PC config

 

Windows XP Home SP3

NIS 20.1.1.2