Please give more information. Do you get past login screen? can you select a character? do you get in game at all? Do you get any error message?
i can select a character now,but after i choose,there is the message " trouble logging into the game ?try launching the game from maplestrory .nexon.net
There is a ban on the account, please create a Ban Appeal https://royals.ms/forum/forums/ban-appeal.8/