Wurdearring: 5 fan de 5 stjerren

Got it.
Tracked it down to FastestFox add-on.
Uninstalled it and FireFTP works just fine.

Dizze beoardieling giet oer in eardere ferzje fan de add-on (1.99.2.1-signed). 

I'm currently talking with the author of FasterFox to find a solution - seems to be a problem on their end...

Wurdearring: 3 fan de 5 stjerren

Yeah, it looks like some other add-on is interfering.
I logged in to a different profile and it works there.
I'll have to find out, which add-on it is.

Dizze beoardieling giet oer in eardere ferzje fan de add-on (1.99.2.1-signed). 

Wurdearring: 1 fan de 5 stjerren

It doesn't work for me in Firefox 4.
No directory is displayed. All accounts lost. Can't create new account. Clicking on "Edit" doesn't do anything.

Dizze beoardieling giet oer in eardere ferzje fan de add-on (1.99.2.1-signed).