Hi, I deleted that file and started crow-translate in terminal, here is the log file: ------ poplar@c004-h0:~> crow-translate [DS] Profile file not available (tesseract_opencl_profile_devices.dat); performing profiling. [DS] Device: "(null)" (Native) evaluation... Error in pixCloseBrick: pixs not 1 bpp Error in pixOpenBrick: pixs not defined Error in pixSubtract: pixs1 not defined Error in pixOpenBrick: pixs not defined Error in pixOpenBrick: pixs not defined [DS] Device: "(null)" (Native) evaluated [DS] composeRGBPixel: 0.029100 (w=1.2) [DS] HistogramRect: 0.068931 (w=2.4) [DS] ThresholdRectToPix: 0.047114 (w=4.5) [DS] getLineMasksMorph: 0.000045 (w=5.0) [DS] Score: 0.412594 [DS] Scores written to file (tesseract_opencl_profile_devices.dat). [DS] Device[1] 0:(null) score is 0.412594 [DS] Selected Device[1]: "(null)" (Native) ^C ----- It looks like it should be the file in the correct location as you said. Regards, Poplar.