# Unable to build PyCall and RCall

**URL:** <https://discourse.julialang.org/t/unable-to-build-pycall-and-rcall/92439>\
**Category:** New to Julia\
**Created:** [January 3, 2023, 3:13am UTC](https://discourse.julialang.org/t/unable-to-build-pycall-and-rcall/92439 "2023-01-03T03:13:42Z")\
**Posts on this page:** 1\
**Showing post:** 21

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**Author:** ![probit2011](https://avatars.discourse-cdn.com/v4/letter/p/919ad9/32.png) [@probit2011](https://discourse.julialang.org/u/probit2011)\
**Post date:** [January 5, 2023, 3:54am UTC](https://discourse.julialang.org/t/unable-to-build-pycall-and-rcall/92439/21 "2023-01-05T03:54:01Z")

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By the way, the `Scripts\\conda.exe` was located in `C:\Users\probi\miniconda3` after I installed it with the GUI.

Now, the last problem is to build RCall. I get the exact same error messages as for PyCall (conda does not build properly). I tried the `ENV["R_HOME"] = "*"` trick from the tutorial, but it doesn’t work. Where would I find the proper .exe for R?

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