cm2 rda did not run

dear sir my box not working rda software but spd and mtk working fine when i open software then a massage come you must activate this software online service but my box is already activated what i do sir plz help me. my Box/Dongle Serial No (S/N): 57571364 i have run test version and log in ios but same error but when i run test version in best dongle its working properly plz kindly help me team