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Hi,
I have been following the readme instructions on the Lean Github for Windows 10 installation. I have installed Visual Studio 2019, can see the nuget package manager inside it. Cloned Lean and fed the .sln file to Visual Studio. But while building I am getting errors for several .dll files and .exe files missing
10>------ Build started: Project: QuantConnect.Tests, Configuration: Debug Any CPU ------
10>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2081,5): warning MSB3274: The primary reference "Accord, Version=3.6.0.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL" could not be resolved because it was built against the ".NETFramework,Version=v4.6.2" framework. This is a higher version than the currently targeted framework ".NETFramework,Version=v4.6.1".
10>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2081,5): warning MSB3275: The primary reference "Accord.Math, Version=3.6.0.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL" could not be resolved because it has an indirect dependency on the assembly "Accord, Version=3.6.0.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7" which was built against the ".NETFramework,Version=v4.6.2" framework. This is a higher version than the currently targeted framework ".NETFramework,Version=v4.6.1".
10>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2081,5): warning MSB3274: The primary reference "Accord.Math, Version=3.6.0.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL" could not be resolved because it was built against the ".NETFramework,Version=v4.6.2" framework. This is a higher version than the currently targeted framework ".NETFramework,Version=v4.6.1".
10>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2081,5): warning MSB3274: The primary reference "Accord.Math.Core, Version=3.6.0.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL" could not be resolved because it was built against the ".NETFramework,Version=v4.6.2" framework. This is a higher version than the currently targeted framework ".NETFramework,Version=v4.6.1".
10>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2081,5): warning MSB3275: The primary reference "Accord.Math, Version=3.6.0.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL" could not be resolved because it has an indirect dependency on the assembly "Accord.Math.Core, Version=3.6.0.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7" which was built against the ".NETFramework,Version=v4.6.2" framework. This is a higher version than the currently targeted framework ".NETFramework,Version=v4.6.1".
10>CSC : error CS0006: Metadata file 'C:\Users\Abhishek\Documents\Python3 Scripts\Projects\Lean\Algorithm.CSharp\bin\Debug\QuantConnect.Algorithm.CSharp.dll' could not be found
10>CSC : error CS0006: Metadata file 'C:\Users\Abhishek\Documents\Python3 Scripts\Projects\Lean\Algorithm.Framework\bin\Debug\QuantConnect.Algorithm.Framework.dll' could not be found
10>CSC : error CS0006: Metadata file 'C:\Users\Abhishek\Documents\Python3 Scripts\Projects\Lean\Engine\bin\Debug\QuantConnect.Lean.Engine.dll' could not be found
10>CSC : error CS0006: Metadata file 'C:\Users\Abhishek\Documents\Python3 Scripts\Projects\Lean\Launcher\bin\Debug\QuantConnect.Lean.Launcher.exe' could not be found
10>CSC : error CS0006: Metadata file 'C:\Users\Abhishek\Documents\Python3 Scripts\Projects\Lean\Report\bin\Debug\QuantConnect.Report.exe' could not be found
10>CSC : error CS0006: Metadata file 'C:\Users\Abhishek\Documents\Python3 Scripts\Projects\Lean\Research\bin\Debug\QuantConnect.Research.dll' could not be found
10>CSC : error CS0006: Metadata file 'C:\Users\Abhishek\Documents\Python3 Scripts\Projects\Lean\ToolBox\bin\Debug\QuantConnect.ToolBox.exe' could not be found
========== Build: 0 succeeded, 8 failed, 11 up-to-date, 2 skipped ==========
Jack Simonson
Hi Abhishek,
It looks like the root issue is that Lean is looking for .NETFramework v4.6.1, but you are running v4.6.2. Can you try modifying the .NETFramework version? If this doesn't solve the issue, please let us know and we can help find a solution.
Abhishek Gupta
Hi Jack,
Actually I already tried that one. I downloaded v4.6.2 and set it as the target in VS2019 but of no use. Does lean installation works more smoothly with VS2017, in which case i'll download that one.
Alexandre Catarino
Hi Abhishek Gupta ,
Lean installation works smoothly with VS2019 (even with the Community Edition). You may need to uninstall Visual Studio, be sure that .NETFramework v4.6.2 is installed (it may require a system reboot), and reinstall it.
Abhishek Gupta
Hi Alexandre,
Tried uninstalling and reinstalling both VS2019 and .net framework, changing the target frameworks, repeated git clone also but giving same error again. That's fine, I'll just use the webapp. However, it would be great if there's some other way to install this on windows without using VS as I don't use it. Thanks a lot for your help on this.
Abhishek Gupta
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