you were right the bug was me in the command line 
It works very well. Thanks for the clarification
It works very well. Thanks for the clarification
Code:
C:\Users\AlphaT"C:\Users\Documents\bitcoin\RCKangaroo.exe" -dp 16 -range 75 -start 4000000000000000000 -pubkey 03FAC615733B5B83682DBBCD4539A8DA3E90085D43FAC8B3B54E43B92DDAAB14B8
********************************************************************************
* RCKangaroo v2.0 (c) 2024 RetiredCoder *
********************************************************************************
This software is free and open-source: https://github.com/RetiredC
It demonstrates fast GPU implementation of SOTA Kangaroo method for solving ECDLP
Windows version
CUDA devices: 1, CUDA driver/runtime: 12.6/12.6
GPU 0: NVIDIA GeForce RTX 2070, 8.00 GB, 36 CUs, cap 7.5, PCI 1, L2 size: 4096 KB
Total GPUs for work: 1
MAIN MODE
Solving public key
X: FAC615733B5B83682DBBCD4539A8DA3E90085D43FAC8B3B54E43B92DDAAB14B8
Y: E2A089597B384B71B37C7932AC457613FF649D1E98481A05732DFBA9E4DE444D
Offset: 0000000000000000000000000000000000000000000004000000000000000000
Solving point: Range 75 bits, DP 16, start...
SOTA method, estimated ops: 2^37.202, RAM for DPs: 0.277 GB. DP and GPU overheads not included!
Estimated DPs per kangaroo: 2.044. DP overhead is big, use less DP value if possible!
GPU 0: allocated 3477 MB, 1179648 kangaroos. OldGpuMode: Yes
GPUs started...
MAIN: Speed: 1103 MKeys/s, Err: 0, DPs: 216K/2411K, Time: 0d:00h:00m, Est: 0d:00h:02m
MAIN: Speed: 1519 MKeys/s, Err: 0, DPs: 432K/2411K, Time: 0d:00h:00m, Est: 0d:00h:01m
MAIN: Speed: 1521 MKeys/s, Err: 0, DPs: 666K/2411K, Time: 0d:00h:00m, Est: 0d:00h:01m
MAIN: Speed: 1519 MKeys/s, Err: 0, DPs: 900K/2411K, Time: 0d:00h:00m, Est: 0d:00h:01m
MAIN: Speed: 1519 MKeys/s, Err: 0, DPs: 1134K/2411K, Time: 0d:00h:00m, Est: 0d:00h:01m
MAIN: Speed: 1517 MKeys/s, Err: 0, DPs: 1367K/2411K, Time: 0d:00h:01m, Est: 0d:00h:01m
MAIN: Speed: 1515 MKeys/s, Err: 0, DPs: 1600K/2411K, Time: 0d:00h:01m, Est: 0d:00h:01m
MAIN: Speed: 1511 MKeys/s, Err: 0, DPs: 1834K/2411K, Time: 0d:00h:01m, Est: 0d:00h:01m
MAIN: Speed: 1513 MKeys/s, Err: 0, DPs: 2067K/2411K, Time: 0d:00h:01m, Est: 0d:00h:01m
MAIN: Speed: 1511 MKeys/s, Err: 0, DPs: 2301K/2411K, Time: 0d:00h:01m, Est: 0d:00h:01m
MAIN: Speed: 1513 MKeys/s, Err: 0, DPs: 2517K/2411K, Time: 0d:00h:01m, Est: 0d:00h:01m
MAIN: Speed: 1512 MKeys/s, Err: 0, DPs: 2751K/2411K, Time: 0d:00h:02m, Est: 0d:00h:01m
MAIN: Speed: 1509 MKeys/s, Err: 0, DPs: 2985K/2411K, Time: 0d:00h:02m, Est: 0d:00h:01m
MAIN: Speed: 1515 MKeys/s, Err: 0, DPs: 3219K/2411K, Time: 0d:00h:02m, Est: 0d:00h:01m
MAIN: Speed: 1511 MKeys/s, Err: 0, DPs: 3453K/2411K, Time: 0d:00h:02m, Est: 0d:00h:01m
MAIN: Speed: 1511 MKeys/s, Err: 0, DPs: 3687K/2411K, Time: 0d:00h:02m, Est: 0d:00h:01m
Stopping work ...
Point solved, K: 1.863 (with DP and GPU overheads)
PRIVATE KEY: 0000000000000000000000000000000000000000000007D4AB114686A1336E07
********************************************************************************
* RCKangaroo v2.0 (c) 2024 RetiredCoder *
********************************************************************************
This software is free and open-source: https://github.com/RetiredC
It demonstrates fast GPU implementation of SOTA Kangaroo method for solving ECDLP
Windows version
CUDA devices: 1, CUDA driver/runtime: 12.6/12.6
GPU 0: NVIDIA GeForce RTX 2070, 8.00 GB, 36 CUs, cap 7.5, PCI 1, L2 size: 4096 KB
Total GPUs for work: 1
MAIN MODE
Solving public key
X: FAC615733B5B83682DBBCD4539A8DA3E90085D43FAC8B3B54E43B92DDAAB14B8
Y: E2A089597B384B71B37C7932AC457613FF649D1E98481A05732DFBA9E4DE444D
Offset: 0000000000000000000000000000000000000000000004000000000000000000
Solving point: Range 75 bits, DP 16, start...
SOTA method, estimated ops: 2^37.202, RAM for DPs: 0.277 GB. DP and GPU overheads not included!
Estimated DPs per kangaroo: 2.044. DP overhead is big, use less DP value if possible!
GPU 0: allocated 3477 MB, 1179648 kangaroos. OldGpuMode: Yes
GPUs started...
MAIN: Speed: 1103 MKeys/s, Err: 0, DPs: 216K/2411K, Time: 0d:00h:00m, Est: 0d:00h:02m
MAIN: Speed: 1519 MKeys/s, Err: 0, DPs: 432K/2411K, Time: 0d:00h:00m, Est: 0d:00h:01m
MAIN: Speed: 1521 MKeys/s, Err: 0, DPs: 666K/2411K, Time: 0d:00h:00m, Est: 0d:00h:01m
MAIN: Speed: 1519 MKeys/s, Err: 0, DPs: 900K/2411K, Time: 0d:00h:00m, Est: 0d:00h:01m
MAIN: Speed: 1519 MKeys/s, Err: 0, DPs: 1134K/2411K, Time: 0d:00h:00m, Est: 0d:00h:01m
MAIN: Speed: 1517 MKeys/s, Err: 0, DPs: 1367K/2411K, Time: 0d:00h:01m, Est: 0d:00h:01m
MAIN: Speed: 1515 MKeys/s, Err: 0, DPs: 1600K/2411K, Time: 0d:00h:01m, Est: 0d:00h:01m
MAIN: Speed: 1511 MKeys/s, Err: 0, DPs: 1834K/2411K, Time: 0d:00h:01m, Est: 0d:00h:01m
MAIN: Speed: 1513 MKeys/s, Err: 0, DPs: 2067K/2411K, Time: 0d:00h:01m, Est: 0d:00h:01m
MAIN: Speed: 1511 MKeys/s, Err: 0, DPs: 2301K/2411K, Time: 0d:00h:01m, Est: 0d:00h:01m
MAIN: Speed: 1513 MKeys/s, Err: 0, DPs: 2517K/2411K, Time: 0d:00h:01m, Est: 0d:00h:01m
MAIN: Speed: 1512 MKeys/s, Err: 0, DPs: 2751K/2411K, Time: 0d:00h:02m, Est: 0d:00h:01m
MAIN: Speed: 1509 MKeys/s, Err: 0, DPs: 2985K/2411K, Time: 0d:00h:02m, Est: 0d:00h:01m
MAIN: Speed: 1515 MKeys/s, Err: 0, DPs: 3219K/2411K, Time: 0d:00h:02m, Est: 0d:00h:01m
MAIN: Speed: 1511 MKeys/s, Err: 0, DPs: 3453K/2411K, Time: 0d:00h:02m, Est: 0d:00h:01m
MAIN: Speed: 1511 MKeys/s, Err: 0, DPs: 3687K/2411K, Time: 0d:00h:02m, Est: 0d:00h:01m
Stopping work ...
Point solved, K: 1.863 (with DP and GPU overheads)
PRIVATE KEY: 0000000000000000000000000000000000000000000007D4AB114686A1336E07