| Error Code | Meaning | Solution | |------------|---------|----------| | [0x10105002] | Romcode/Initialize DDR | Wrong firmware version. Find a different "Top" ROM. | | [0x30201004] | USB control error | Try a different USB port (USB 2.0 recommended), reinstall drivers. | | [0x30405003] | Key mismatch | Uncheck "Erase Bootloader", reflash. | | No connection | No driver | Manually install the WorldCup driver via Device Manager. |