Guys, I've got the same problem in GNU/Linux.
Hint: 88119 LOC; 12.865 sec; 89.07MiB peakmem; Debug build; proj: /home/seba/Pobrane/netw.nim; out: /home/seba/Pobrane/netw [SuccessX] Hint: /home/seba/Pobrane/netw [Exec] could not load: libcrypto.so(.1.1|.1.0.2|.1.0.1|.1.0.0|.0.9.9|.0.9.8|.47|.46|.45|.44|.43|.41|.39|.38|.10|) compile with -d:nimDebugDlOpen for more information Error: execution of an external program failed: '/home/seba/Pobrane/netw ' It looks like libcrypto is present: [seba@sebapc ~]$ ls -l /usr/lib | grep libcrypto lrwxrwxrwx 1 root root 16 05-24 21:14 libcrypto.so -> libcrypto.so.1.1 -r-xr-xr-x| 1 root root 2828704 2020-01-25 libcrypto.so.1.0.0 ---|--- -rwxr-xr-x| 1 root root 2982648 05-24 21:14 libcrypto.so.1.1 Tried with nim from choosenim and the result isthe same. Bashrc files contains nimble and nim added to path. Maybe openssl should be in devel version?