Nios stops?

Hi

I hop anybody can give me some hints. I use the standard nios system. On this system i want to run some c++ software. This is a software which has about 10 instants. After running the this software it starts and stops at any fprint (also tried puts) at the very beginning. The hello world works fine.

AT the first trie it works a little longer then the scond .. try.

I use Quartus 6.

Has anybody a idea what can cause this problem?

thanks flo