The serial connection to the Ocelot is not an interactive one where you can "talk" to it with a program like Hyperterminal. It is a binary protocol, expecting specific data, checksums, delays, etc. The error message you posted appears to be from C-Max crashing for some reason. It could be due to the serial connection or it could be something else. The only realistic suggestion I can make at this point is to try another serial device, or another PC. Some USB serial devices will work and some others won't. Search for "USB" on this forum and you will find several discussions about this.
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