Unity freeze on finished exporting eclipse project

I just finished my game for android, and i want to export it to eclipse in order to add google play services and advertisment, but when i build the game unity freeze when it had finished the build

Unity remains in this state doing nothing, and i can't to do or press anything, what is worst, is that unity doesn't export nothing, i try to let it for 2 hours but nothing happened... waht should i do? Sorry for my english anyway