No text in menu

There is no text on the Tools menu for the FoxyProxy entry, i.e. the entry is blank. In other words, the menu shows
Add-ons
->
Error Console
Windows XP SP3 Firefox 3.5.2
 
There is no error in the error console

Hi, Please install FoxyProxy

Hi,

Please install FoxyProxy into a new Firefox profile.

Thanks,
Eric