AMIGADOS GUIDE V1.5
File Is Not Executable

DESCRIPTION:
This error only occurs when you have tried to run a file which is not a 
legal AmigaDOS file.

ADOS CODE:
305

REMEDY:
The only way you can fix this problem is if the file in question is a 
script file. But bare in mind that some files may need another program 
present before it will work.