sigit_army, looking at picture its the lc8 that's causing the error NOT d256m...
freearc forum >
http://encode.ru/threads/43-FreeArc/page83
read docs, in particular you need -lc- option. it will allow you to use dictionary up to ~254mb. larger dictionary is impossible because it needs 8*dict bytes as
contiguous block and windows provides only 2gb one