How to remove accidently added object to AVG's exceptions list

Geert…
Open your AVG program.
From the Options menu select Advanced settings.
In the left pane select Exceptions.
Remove - Use this button to cancel a previously defined exception.
AVG Guru

Hi Guys,
when given the warning "found MalSign.Generic.B3E" ,I've added accicently this object to the list of exceptions. Can you tell how to remove this object from the list again ?
Kind regards

Geert…
Open your AVG program.
From the Options menu select Advanced settings.
In the left pane select Exceptions.
Remove - Use this button to cancel a previously defined exception.
AVG Guru