Hi, when I try to open the generated .elf file (AVR_ATMega323_WinAVR version) AVR Studio chraches with "Runtime Error". Any suggestions? Thanks! /Anders

make extcoff or upgrade to 4.13beta from http://www.atmel.no/beta_ware/ /Johan

Ok, thanks, I have already tried that but I will try the beta tomorrow to see whats happends… /Anders