Originally Posted by JSWolf
What version mobidedrm are you using? There were originally two versions 0.01 & 0.02. If you have one of those it could be that the book needs the other.
Kindlefix has nothing to do with mobidedrm. Also, there is a so called ".04" of mobidedrm version which includes the change pdurant made to resolve some issues and has worked for me for all files.