Error when searching for a keyword

[jibedoubleve]

When trying to search ffx it fails.

Information

• Restarted the application and it works.
• Just after log in in Windows

Error

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Warning
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Unable to load one or more of the requested types.

Could not load file or assembly 'System.Net.Http, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.

Could not load file or assembly 'System.Net.Http, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.. 

System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types.

Could not load file or assembly 'System.Net.Http, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.

Could not load file or assembly 'System.Net.Http, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.

   at System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)

   at System.Reflection.Assembly.GetTypes()

   at Lanceur.Infra.Stores.StoreLoader.Load()

   at Lanceur.Infra.Services.SearchService.Search(Cmdline query)

   at Lanceur.Views.MainViewModel.OnSearchAliasAsync(String criterion)

   at ReactiveUI.ReactiveCommand.<>c__DisplayClass15_0`2.<CreateFromTask>b__0(TParam param)

   at ReactiveUI.ReactiveCommand`2.Execute(TParam parameter)

System.IO.FileNotFoundException: Could not load file or assembly 'System.Net.Http, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.

File name: 'System.Net.Http, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'

System.IO.FileNotFoundException: Could not load file or assembly 'System.Net.Http, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.

File name: 'System.Net.Http, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
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OK   
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Logs