Update 2:
Now I am having problems dumping/decrypting two games in particular. Grand Theft Auto: Vice City and Shin Megami Tensei III: Nocturne. Both games stop decrypting via Apollo Save Tool at 2% (GTA) and 80% (SMTIII:N) respectively (using the "Export PS2 ISO.ENC as .ISO" selection)...
Currently trying to decrypt my PS2 Classics version of SMT: Persona 4 as a ISO, nothing seems to be working properly for Apollo Save Tool's decryption.
I apologize in advance, but I seriously need to vent a bit about how terrible my Homebrewing experience has been these past 2-3 days getting...