Try this... :D –
Try this and i hope this works...
Format your flash drive again and make sure that the file system is FAT32 and under the "allocation size" it is not "Default allocation size". Try setting this one on 4096 bytes.
Once i tried using 8192bytes and all homebrew failed on my flash drive...As far as i know homebrew supports 4096 and below... I hope this will help you
Im the chosen virtual keyblade master! Oh yeah!
SCPH-50006 FMCB 1.8b Customized