Hello, Graeme! The invprofcheck in V1.1.0 RC1 doesn't print error data as it does in V1.0.4. For example: \Argyll_V1.1.0_RC1\bin>invprofcheck -k -x -w -e -v EPG144_3456_5.icm Grid resolution is 11 Input total ink limit assumed is 248.1% Input black ink limit assumed is 78.0% Profile check complete, errors(CIEDE2000): max. = 9.970314, avg. = 1.768534, RMS = 2.189868 \Argyll_V1.0.4\bin>invprofcheck -k -x -w -e -v EPG144_3456_5.icm Input total ink limit assumed is 279% [0.000885] 100.000000 0.000212 -0.000093 -> 0.000017 0.000025 0.000031 0.000000 -> 99.998539 0.000373 -0.000251 [2.032132] 95.522065 -4.655465 -6.314083 -> 0.111403 0.051271 0.073291 0.000000 -> 92.999053 -3.688523 -5.138907 [1.470103] 90.042479 -10.860269 -14.094967 -> 0.205271 0.043987 0.044304 0.000000 -> 87.966556 -10.080325 -13.495113 ... [1.357164] 26.325870 -16.077680 8.068482 -> 0.576954 0.431322 0.852957 0.552942 -> 26.879703 -17.596803 9.683961 Profile check complete, errors(CIEDE2000): max. = 9.970314, avg. = 1.753909, RMS = 2.181346