I've just finished chapter 4 in Valkyrie Profile, and now it asks me to "Insert Disk 2". However, I'm obviously using isos to play the game. How do I continue the game when I'm unable to "switch disks"? I tried exiting out of the emulator and just running the disk 2 iso, but that didn't work. What can I do? I can't use image mounting tools like Daemons Tools or anything like that. They don't work on my computer