Problem with exec and some suggestions

[Gansta93]

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> That's exactly what exec is for: transfer all control to the
> program you specified. When it ends, everything ends: the command
> shell and the window it lives in. 
>
> Just leave out the exec prefix.
>
> Stein

Hello,
Thanks. But when I just type the executable name, I have the message:
"./pbcompiler: ./pbcompiler: Cannot execute binary file."
where ofcourse pbcompiler is the executable I want to execute. Why?
What can I do?
Thanks in advance.
Patrick

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