Ok, you want the Megatune 2.25 release version, which looks like thats what you have there. Now, you want to get the "Msns extra" series of code, just get the latest stable release, version 029q2. After you get this zip file, extract it to a new folder, or where ever you want really, then in that zip file is the 029q2 code file, the ".s19" file. This is what gets uploaded to the MS processor. Now, once you get that loaded in the processor, you need to configure Megatune to read that code type, so you dont get that error screen. In that zip file should be a file with the extension and name: "msns-extra.ini" This is the configuration file that is CODE SPECIFIC, and Megatune NEEDS this file for it to function with the code correctly. You need to copy this .ini file to the megatune car specific directory. They make this easy to do, with a file in the zip that you extracted, you will find a "copyini.bat" file. Just click this file, and it will automatically copy the ini file to the megatune directory. If this still does not work, you may have to copy it maually.

13.5 @108 MPH-2.2 60ft(stupid FWD!)
S16G @ 18 PSI/FMIC/Running on MegaSquirt II (Now with sequential
fuel injection)
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-1998 Mitsubishi Eclipse RS-T- "Toy"
-1992 Plymouth Laser Turbo AWD(SOLD)
-2000 Honda CR-V(daily)