Often, xemu doesn't automatically detect these files. Go to Machine > Settings and manually navigate to your mcpx_1.0.bin and Complex 4627 BIOS files.
: Ensure your MCPX Boot ROM (typically mcpx_1.0.bin ) has the correct MD5 hash: d49c52a4102f6df7bcf8d0617ac475ed . flash+rom+xemu+fix