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LNK1104: cannot open file \\MYPATHTOBINARIES\UE4Editor-UnrealEd.dll'

Hello everyone!

I cloned the AlienRenders DQS repo and source built it with theUGC project examples.
It was and is all working fine, but I can’t seem to make code changes to any of my cpp files, because it gives me a ton of linking errors, basically for nearly all of the modules.

A couple of lines from the editor log:


> CompilerResultsLog: Error: LINK :
> fatal error LNK1104: cannot open file
> 'G:\UE4EngineBuilds\UE4dqsmod\Engine\Binaries\Win64\UE4Editor-DetailCustomizations.dll'
> CompilerResultsLog: [2/506]
> UE4Editor-UnrealEd.dll
> CompilerResultsLog: Error: LINK :
> fatal error LNK1104: cannot open file
> 'G:\UE4EngineBuilds\UE4dqsmod\Engine\Binaries\Win64\UE4Editor-UnrealEd.dll'
> CompilerResultsLog: [3/506]
> UE4Editor-NiagaraEditor.dll
> CompilerResultsLog: Error: LINK :
> fatal error LNK1104: cannot open file
> 'G:\UE4EngineBuilds\UE4dqsmod\Engine\Plugins\FX\Niagara\Binaries\Win64\UE4Editor-NiagaraEditor.dll'
> CompilerResultsLog: [4/506]
> UE4Editor.exe CompilerResultsLog:
> Error: LINK : fatal error LNK1104:
> cannot open file
> 'G:\UE4EngineBuilds\UE4dqsmod\Engine\Binaries\Win64\UE4Editor.exe'
> CompilerResultsLog: [5/506]
> UE4Editor-LevelEditor.dll
> CompilerResultsLog: Error: LINK :
> fatal error LNK1104: cannot open file
> 'G:\UE4EngineBuilds\UE4dqsmod\Engine\Binaries\Win64\UE4Editor-LevelEditor.dll'
> CompilerResultsLog: [6/506]
> UE4Editor-Engine.dll
> CompilerResultsLog: Error: LINK :
> fatal error LNK1104: cannot open file
> 'G:\UE4EngineBuilds\UE4dqsmod\Engine\Binaries\Win64\UE4Editor-Engine.dll'
> CompilerResultsLog: [7/506]
> UE4Editor-Kismet.dll
> CompilerResultsLog: Error: LINK :
> fatal error LNK1104: cannot open file
> 'G:\UE4EngineBuilds\UE4dqsmod\Engine\Binaries\Win64\UE4Editor-Kismet.dll'
> CompilerResultsLog: [8/506]
> UE4Editor-MovieSceneTools.dll

Tried doing a CRTL+SHIFT+B in VS with Development-Editor config, and I get similar error messages, but it seems to do some compiling work…

The compilation process takes ages to complete even though I only make slight changes to the project.

In VS right click the project and hit UnrealVS quickbuild and choose 64 bit Development-Editor.
That fixed it for me!