ROOKROOK

HI soz if in wrong section but heres my problem i have over hundred backups and all work but went to use new game i downloaded well 3 diff games kung fu ironman and another my wii is pal never had problem with games before but when i put game in it said upgrade but it didnt i upgraded to 3.3 pal from wifi on wii game still wanted me to upgrade so i did thenthe game went to start and a warning message invalad drive came up the wii froze but when i rebooted i managed still to get my old games to work but the new ones still say invalad drive anyone know whats wrong or how to help i dont know what chip is in it i bought it like this and seller cannot be contacted thanx in advance for help