ok i have no idea what happen but my niece said that she was playing one of the games and turned off the 3ds and the next time she turned it on all the cia games that i downloaded was deleted but for one game The Legend Of Zelda Four Swords Anniversary Edition. Sooooo i tried installing them again but i got this code
Failed to install CIA File
Result Code: 0xD8E08021
Level: Permanent(27)
Summary: Invalid argument(7)
Module: AM(32)
Desc: <unknown>(32)
then i downloaded the FBI ver 2.4.9 and tried again and still got this. the system version is on Sys 11.5.0-38U
Failed to install CIA File
Result Code: 0xD8E08021
Level: Permanent(27)
Summary: Invalid argument(7)
Module: AM(32)
Desc: <unknown>(32)
then i downloaded the FBI ver 2.4.9 and tried again and still got this. the system version is on Sys 11.5.0-38U