Gaming@NINA

Ok I've got the BIO files and I've encrypted the roms..
but on my games, on the window says:
"Its unable to read the data, please turn off the power and insert ROM cartigrade again"
Of course, im using the NO$gba v2.4

... what can I dooo ???? plz help me plz plz plz plz

1) Options --> Emulation Setup.
2) Change "NDS Cartridge Backup Media" to another setting.
3) Options --> Save Settings.
4) Try again, repeat with a different setting if the message still doesn't go away

Geeezz man u rock :O
It works!Tanx a looot :D