If you can't get it to work, then use another game installer (Or get USBUtil to install your game by selecting the MDF file).
Originally Posted by playhard
I know that PS2DCDMP v0.98B (PS2ESDL's game installer that's only supported by PS2ESDL so far) supports MDF files relatively well.
Unmodified SCPH-77006 with SM 3.6
SCPH-39006 with M-chip modchip, SCPH-10281 NA and refurb Seagate 80GB HDD
SCPH-10000 v1.00 with SCPH-10190 PCMCIA NA and SCPH-20400 HDD unit