For the WinAVR problem I mentioned, read this... http://www.madwizard.org/electronics/articles/winavrvista download http://www.madwizard.org/download/electronics/msys-1.0-vista64.zip Replace existing C:\ WinAVR20101221 \ utils \ bin \ msys-1.0.dll with the patch. Seems to work... Courtesy "hexodin", on the PJRC forum. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .