Here are some other things I tried: 1) Run Julia as administrator : no change
2) turn off precompilation : still doesn't work, error message below [2] That's the entire error message. There's no useful diagnostic information to suggest what might have gone wrong at all. Bill. [2] ================================[ ERROR: Nemo ]================================= failed process: Process(`'C:\Users\User\AppData\Local\Julia-0.4.6\bin\julia' --check-bounds=yes --code-coverage=none --color=yes 'C:\Users\User\.julia\v0.4\Nemo\test\runtests.jl'`, ProcessExited(3221225477)) [3221225477] ================================================================================ ERROR: Nemo had test errors in error at error.jl:21