[Project_owners] Error reading preferences

[Neil]

Onno Ekker wrote:

> When I execute the javascript straight from the chrome, it works. So 
> about:netError doesn't work, but 
> chrome://errorfox/content/netError.xhtml works.

This is because about:netError executes with the permissions of the page 
that was supposed to load. You might be better off overlaying the 
browser and poking any error pages that may appear.