Much in the same line of discussion of my previous post (http://communities.vmware.com/thread/218890), there's another type of error spotted by Firefox's Error console.
It happens with the file:
https://<server>/ui/jslib-1.0.128374/modules/com.vmware.webaccess.app_1.0.0/WebAccess.properties
Error type is "not well-formed"
The error happens at
/