errors.png Can you help quick?, on trial...
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Before anything please know we can extend your trial if necessary, so you have enough time to complete your evaluation.

We need some information about this: Which version of UE4 are you using? Also, have you retargeted the Visual Studio projects at some point?
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Im using ue4.20.1.

I rebuild solution files targeting latest unreal release. I also tried blank c++ project according to steps in tutorial but its not building either.

Do i need to uninstall an older version of unreal version.?

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The last supported release of UE is 4.18

We plan to send early access to the UE4.19 plugin next week.

We are currently seeing a large number of issues with UE4.20, which apparently brought many plugin-breaking changes. It is not clear at the moment when the UE4.20 plugin release will come out.
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Thanks no problem. I will try 4.18 then. Thanks.
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I had the same problem, also on trial, so thanks for pointing me towards 4.18!  But I had a different problem compiling the forest example

1>------ Build started: Project: UE4, Configuration: BuiltWithUnrealBuildTool Win32 ------
2>------ Build started: Project: Forest, Configuration: Development_Editor x64 ------
2>Performing 4 actions (4 in parallel)
2>C:\Users\tim\Documents\Unreal Projects\Demo.Unreal\Plugins\VoxelFarmPlugin\Source\VoxelFarmPlugin\Public/VoxelFarmWorldActor.h(285): error C4596: 'ContourThreadJob': illegal qualified name in member declaration
2>C:\Users\tim\Documents\Unreal Projects\Demo.Unreal\Plugins\VoxelFarmPlugin\Source\VoxelFarmPlugin\Public\VoxelFarmWorldActor.h(285): error C4596: 'ContourThreadJob': illegal qualified name in member declaration
2>ERROR : UBT error : Failed to produce item: C:\Users\tim\Documents\Unreal Projects\Demo.Unreal\Plugins\VoxelFarmPlugin\Binaries\Win64\UE4Editor-VoxelFarmPlugin.dll
2>Total build time: 24.46 seconds (Local executor: 0.00 seconds)
2>C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\VC\VCTargets\Microsoft.MakeFile.Targets(44,5): error MSB3075: The command ""C:\Program Files\Epic Games\UE_4.18\Engine\Build\BatchFiles\Build.bat" ForestEditor Win64 Development "C:\Users\tim\Documents\Unreal Projects\Demo.Unreal\Forest.uproject" -waitmutex" exited with code 5. Please verify that you have sufficient rights to run this command.
2>Done building project "Forest.vcxproj" -- FAILED.
========== Build: 1 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
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Hi bladedpenguin,
this is fixed in the upcoming release, simply replace the ContourThreadJob method declaration in VoxelFarmWorldActor.h by : 
bool ContourThreadJob();
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