command window is not working correctly

Using: Allegro PCB Design (Version 16.0)

Hi,

I posted this issue some time ago, but didn't get the right solution. I'm an old style keyboard worker, so the problems are really nasty. Let's start typing to the command window:

add line
x 45.75 100.25

Now I want to reuse the last line ("x 0 0"). So I press cursor up... And nothing happens. First question: How could I use the command history? Ok, lets copy it by hand (via clipboard):

x 45.75 100.25

Now I want to change the value 45.75 to 50. To do this, I press the cursor left. And I can't believe it, I really get:

x 45.75 100.25Left

Ok. Remove the string "Left" and set the cursor with the mouse behind 45.75 to remove it:

x 45.75 100.25

 Now I press the delete button and I get:

x 45.75 100.2

OMG! Some other things are really nasty in the command window, but I think you get the idea of my problem. Is this behavior standard? I tested it on two other installations and it works the same wrong way. So please tell me, that I missconfigured something ;-)

Regards
  Guenther