So I've tried three versions of the mbaacc tool (the one with netplay fix, the one prior to that and the one posted by ALNo23), and whenever it loads MBAA.exe it crashes (MELTY BLOOD Actress Again Current Code Ver.1.07 has stopped working), with a BEX error (might not be relevant). It is updated to 1.1 (I've tried it with 1.0 too, not that it should work), and have tried about 4 different installations. I have Avast and disabled all the shields on that even though Avast has never said anything about preventing it running. If MBAA.exe is not present it won't crash and will give the message that it requires MBAA.exe to run.
Does anyone have any ideas what the issue could be?