[Users] missing letters

[Andreas]

Hello!

Am 01.01.2013 22:24, schrieb Brad Rogers:
> On Tue, 01 Jan 2013 22:11:35 +0100
> Andreas <anmeyer at anup.de> wrote:
>
> Hello Andreas,
>
>> What could be the cause for this problem? What can I do? I use
>> claws-mail for years and do not want to change.
>
> Possibly they've been assigned as keyboard short cuts for some menu
> items:  Check all menus to see if this is the case.  If they have, hover
> your mouse pointer of the relevant menu item, and press the delete key.
> This will delete the shortcut, and return your letters to their normal
> use.

Yes, that could be the cause of my problem. The three letters e,f and b
are assigned. But if I hover to the menu items and press the delete key, 
nothing happens. Any other chance of deleting this shortcuts?

-- 
Andreas