.Read Below. This is a very special scenario. A PS2 user contacted me, stating that their 'friend' (who I still think is very incompetent) had installed FMCB for him. When he boots the PS2, it instantly goes into the OPL v.8 program, not to the main FMCB menu! Upon hearing the news, I was really pissed off. But it gets even better.
Through more digging, it turns out that if he held R1 upon bootup, he can get to the FMCB main menu. No ulaunchelf on the main menu! Due to the genius of my mind, I was able to figure out a solution within nanoseconds. Using the FMCB Configurator, you can run the ulaunchelf from a USB thumb drive, and then you copy the boot.elf to the MC0 under the boot folder. Restart PS2, re-run the FMCB Configurator, and make a main menu shortcut to the boot.elf that is now in your BOOT folder. If you still don't understand, re-watch the video as many times as needed until it sinks into your head.