I need help....

Why can't I save in mp3 format anymore?That f*ckin' sucks.
It just didn't work. Just like that. this moment I save the recording as mp3 and the other toime as i try to save it closes the program and the file that has been saved is 0 kb big.

Wht the hell?i tried to reinstall it and unjistall and reinstall but it still doesn't work...so can anyone help me???