Disabled Java plugin on Mac (new JAVA 7 Update 13 fixes this)
From the ArchiCADwiki: Breaking news – Disabled Java plugin on Mac Update 02/01/2013: Apple has recently blacklisted the Java Web plugin, as a result GRAPHISOFT’s key plug programming site (https://upgrade.graphisoft.com/) is not working on Mac systems. In some cases the site returns Java is outdated message, in other cases it …