Cant read the ECM?

[sweetdiesel]

My friends truck had a tune on it for DPF removal and then GM updated the op system and now we cant read or flash the ECM?

Error
Cannot mege cal files with op system C/program files /EFI live v7.5 /config/ m97.bin

here are the BLX files:

[GmcLbz]

I think you need 8.1 in order to read it....

[sweetdiesel]

FIXED I need to update to the lastest 7.5 version for the new LLM op system

Thanks To Guy Tripp