Also, what backtrace to you get from the debugger ?

He, If you don't do a real good update now, it will bite you in the ass later on! Count on it!! Since he stops the running thread, it is a program with an finite loop, not as you mentioned that maya is not totally right. Otherwise check out the QThreadPool stuff for higher level QThread control.

Finally, the best/clean way I found to deal with my requirement was this: Inside the main.cpp and before I start my service, I make all the verifications I need... if something goes wrong, then I call "return 0;" and that's it, a clean exit. If everything goes well, then I start my service. End of the story. Thank you for your advices guys! :)

Search the forum for the code... see here

@voidtrance said: @Rondog Thanks for the advice. I'll look into the closeEvent() method. The MainWindow::closeEvent() provided exactly what I needed.

@Chris-Kawa, i see what you did there! :d thanks, didn't even think about that approach before! very useful!