I accidently saved another program (A) over another (B). But the program (B) is saved on my NXT. Is ther another way i can recover this program by using the NXT memory?? I managed to download a file with the same name as the program (B) from the NXT but i cant read or open it.

Thanks
// Sabel

You can recover the executable binary code from the NXT brick using the file utilities.

However, the C language source program can not be recovered.

RIP.