Follow the instructions posted here:
http://www.mympxplayer.org/how-to-re...ck-vt2400.html Format errors commonly occur when the memory has been hacked.
The screen size should be 1.8". If I remember correctly that should be 176x128 setting. I can't swear to it since it has been quite a while since I used AMV converter and my screen is 1.5". However, I am almost certain that I used 128x128 for the smaller screen. Hope this helps!