First youll need to dump the UMD using fastloader
After youve dumped it, use WinRAR to open it. and youll get PSP_GAME and UMD_DATA.bin
To use aenas decrypter you have to put
DECRYPTER and DECRYPTER% in PSP\GAME folder
Then on the root of the memory stick create a folder called enc
copy the prxs from MGA2 backup, i dont know what folder they are in but they are prx file type.
There are 4 files that do not decrypt using prx decypter: kjfs.prx, sound.prx, kjnet.prx, and zlibdec.prx. Just left them exactly as they are! ie dont need to change them.
After the decrypter is done it will create a DEC folder next to your ENC folder ( its rubbish now delete it)
DEC(the decryptewd files you want)
Copy the prxs from DEC back to where you got them from
Now use UMDgen to rebuild the iso - drag n drop PSP_GAME n UMD_DATA.bin to right hand side of UMDgen. Then go to File - EXPORT ISO
Now start UMD emulator
where it says ISO emulation mode you have to change it to
SYSTEM MENU
now start your backup iso
It will take you back to the menu
Yeah, but hes not totally screwed you see. He could always use my method to load the umd he doesnt have to upgrade which is what i dont suggest he do no matter what! We'll just have to wait for his reply see what he wants to do