make sure to disable all ocarina and hooktype options. watch the general settings and the game setting.
And for a flawless launch on NTFS usb device, transfert the backup in the usb device with WiiBackupManager, choose the transfert mode that convert .iso to .wbfs in a wbfs\ directory at the root of your sb device. i never succed to run iso backup on NTFS with UsbLoaderGx but .wbfs backup just work very good.
For the perfect projectm Fullset ISO Build, check my review about what i did (no need of pm files in the SD card). the link is in my signature.
the process is so perfect that i can succed now in building a projectm Wifi Safe ISO, it still build me a Fullset ISO.