i have a problem my brawl hacks dont work anymore! it was working fine yesterday but then i renamed my private folder with all my hacks and then after i renamed it back to private the hacks didnt work anymore. can someone help me?

ok so yesterday i was trying to get mario kart wii hacks so i temporarily renamed my private folder on my sd card that has all my brawl hacks on it. but when i renamed back to private and played brawl the hacks werent working! i even trying copying the folder to my desktop and then deleting it on my sd card and then recopying it but still nothing.
any ideas on how to fix this?