Process terminated with status 255

[darkgaze]

I´ve found many other topics about this problem, but installing XTERM is not my solution
... i´m working under W7. And everything was working ok until this. ( i mean, i just added some code lines, but unexpected behabiour is now happening).

I tried to make  the program simpler and it still happens. The console window get´s stuck when executing and shows me this (when waiting in W7. It should give back a 0, as i wrote return 0 in the end).

Sometimes i don´t know if the error comes from code::blocks , from the compiler, and where to look for the errors. I´m having many problems...

Thanks for the help!!