# Installing packages

**URL:** <https://discourse.julialang.org/t/installing-packages/30978>\
**Category:** Optimization (Mathematical)\
**Created:** [November 12, 2019, 12:41am UTC](https://discourse.julialang.org/t/installing-packages/30978 "2019-11-12T00:41:56Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![angeloaliano1](https://avatars.discourse-cdn.com/v4/letter/a/7ea924/32.png) [@angeloaliano1](https://discourse.julialang.org/u/angeloaliano1)\
**Post date:** [November 12, 2019, 12:41am UTC](https://discourse.julialang.org/t/installing-packages/30978/1 "2019-11-12T00:41:56Z")

</div>

Dear all,  
I just to install Julia in a new computer.  
When I run `Pkg.add("JuMP")` a error message appears:

```julia
julia> Pkg.add("JuMP")
  Updating registry at `C:\Users\Usuário\.juliapro\JuliaPro_v1.0.4.1\registries\JuliaPro`
  Updating git-repo `https://pkg.juliacomputing.com//registry/JuliaPro`
ERROR: GitError(Code:EMERGECONFLICT, Class:Checkout, 1659 conflicts prevent checkout)
Stacktrace:
 [1] macro expansion at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\LibGit2\src\error.jl:101 [inlined]
 [2] #checkout_tree#46(::LibGit2.CheckoutOptions, ::Function, ::LibGit2.GitRepo, ::LibGit2.GitCommit) at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\LibGit2\src\repository.jl:358
 [3] checkout_tree at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\LibGit2\src\repository.jl:356 [inlined]
 [4] ffmerge!(::LibGit2.GitRepo, ::LibGit2.GitAnnotated) at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\LibGit2\src\merge.jl:107
 [5] #merge!#89(::LibGit2.MergeOptions, ::LibGit2.CheckoutOptions, ::Function, ::LibGit2.GitRepo, ::Array{LibGit2.GitAnnotated,1}, ::Bool) at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\LibGit2\src\merge.jl:234
 [6] #merge! at .\none:0 [inlined]
 [7] #merge!#140(::String, ::String, ::Bool, ::LibGit2.MergeOptions, ::LibGit2.CheckoutOptions, ::Function, ::LibGit2.GitRepo) at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\LibGit2\src\LibGit2.jl:784
 [8] #merge! at .\none:0 [inlined]
 [9] update_registries(::Pkg.Types.Context, ::Array{Pkg.Types.RegistrySpec,1}) at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\Pkg\src\Types.jl:1254
 [10] update_registries at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\Pkg\src\Types.jl:1219 [inlined]
 [11] #handle_repos_add!#61(::Bool, ::Nothing, ::Function, ::Pkg.Types.Context, ::Array{Pkg.Types.PackageSpec,1}) at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\Pkg\src\Types.jl:719
 [12] #handle_repos_add! at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\Pkg\src\API.jl:0 [inlined]
 [13] #add_or_develop#17(::Symbol, ::Bool, ::Base.Iterators.Pairs{Union{},Union{},Tuple{},NamedTuple{(),Tuple{}}}, ::Function, ::Pkg.Types.Context, ::Array{Pkg.Types.PackageSpec,1}) at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\Pkg\src\API.jl:47
 [14] #add_or_develop at .\none:0 [inlined]
 [15] #add_or_develop#16 at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\Pkg\src\API.jl:36 [inlined]
 [16] #add_or_develop at .\none:0 [inlined]
 [17] #add_or_develop#13 at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\Pkg\src\API.jl:34 [inlined]
 [18] #add_or_develop at .\none:0 [inlined]
 [19] #add_or_develop#12 at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\Pkg\src\API.jl:33 [inlined]
 [20] #add_or_develop at .\none:0 [inlined]
 [21] #add#22 at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\Pkg\src\API.jl:64 [inlined]
 [22] add(::String) at C:\Users\julia\AppData\Local\Julia-1.0.4\share\julia\stdlib\v1.0\Pkg\src\API.jl:64
 [23] top-level scope at none:0

```

anyone can I help me please?

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<div class="post-metadata">

**Author:** ![tim.holy](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/tim.holy/32/52_2.png) [@tim.holy](https://discourse.julialang.org/u/tim.holy)\
**Post date:** [November 13, 2019, 8:53am UTC](https://discourse.julialang.org/t/installing-packages/30978/2 "2019-11-13T08:53:13Z")

</div>

Does this happen for all packages or only JuMP? Seems like something is broken in your setup or perhaps networking configuration. What’s your Julia version and platform? A good place to start would be to run Julia’s own tests with `make testall`.

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<div class="post-metadata">

**Author:** ![pfitzseb](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/pfitzseb/32/45566_2.png) [@pfitzseb](https://discourse.julialang.org/u/pfitzseb)\
**Post date:** [November 13, 2019, 10:03am UTC](https://discourse.julialang.org/t/installing-packages/30978/3 "2019-11-13T10:03:08Z")

</div>

> [@Problem to install packages](https://discourse.julialang.org/t/problem-to-install-packages/30977/5):
>
> This is a bug in the version of JuliaPro you’re running. There are two ways to fix this: a) Upgrade to JuliaPro 1.0.5.2. b) If you want to stay on the same version, go to C:\Users\Usuário\.juliapro\JuliaPro\_v1.0.4.1\registries\JuliaPro and run git config core.fileMode false if you have git installed. otherwise you’ll need to edit C:\Users\Usuário\.juliapro\JuliaPro\_v1.0.4.1\registries\JuliaPro\.git\config and add or change the filemode flag to false. The file should contain [core] filemod…