<i>Locking this thread.</i><br><i>Please continue here: [[/questions/1229834]]</i><br> How i can DELETE this default dictionary so i have ONLY ONE dictionary and choose this AUTOMATICALLY by the firefox at every page i go. Because now even i choose the second dictionary(English - Greek) i have installed when i restart the firefox must choose again that second dictionary. So please help me to COMPLETELY DELETE the default only Greek dictionary from the firefox 63. A LOT OF THANKS FOR YOUR TIME.