I was wondering if anyone else was having issues with your real time USPS freight calculations. All of a sudden, ours are no longer working. We haven't changed anything so perhaps USPS has made changes again that we don't know about?
 

Those having problems with USPS please download the patch
http://www.viart.com/downloads/usps_v4.zip
 
Regards,
ViArt Support
 

Thanks Vera!!