All projects crash on startup after build

Development Platform & Builds
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1

Hi guys,

Hopefully someone can help out on this one…

[2018.09.14-07.53.41:857][ 0]LogShaderCompilers: Display: Using Local Shader Compiler.
[2018.09.14-07.53.42:901][ 0]LogThreadingWindows: Error: Runnable thread PoolThread 1 crashed.
[2018.09.14-07.53.42:901][ 0]LogThreadingWindows: Error: Runnable thread PoolThread 4 crashed.
[2018.09.14-07.53.42:901][ 0]LogWindows: Error: === Critical error: ===
[2018.09.14-07.53.42:901][ 0]LogWindows: Error:
[2018.09.14-07.53.42:901][ 0]LogWindows: Error: Fatal error: [File:D:\Build++UE4\Sync\Engine\Source\Runtime\D3D12RHI\Private\D3D12Util.cpp] [Line: 242]
[2018.09.14-07.53.42:901][ 0]LogWindows: Error: HandleError re-entered.
[2018.09.14-07.53.42:901][ 0]LogWindows: Error: Device->CreatePipelineState(Desc, IID_PPV_ARGS(&PSO)) failed
[2018.09.14-07.53.42:901][ 0]LogWindows: FPlatformMisc::RequestExit(1)
[2018.09.14-07.53.42:901][ 0]LogWindows: Error: at D:\Build++UE4\Sync\Engine\Source\Runtime\D3D12RHI\Private\Windows\WindowsD3D12PipelineState.cpp:762
[2018.09.14-07.53.42:901][ 0]LogWindows: Error: with error E_FAIL
[2018.09.14-07.53.42:909][ 0]Log file closed, 09/14/18 08:53:42

Happens on every single project that I try to run after building it…

Cheers!

log
crash

2

Right… I’m basically talking to myself on this forum but maybe it helps someone else…

I erased all logs, cache files, crash reports, backups and some other files INSIDE THE PROJECT FOLDER…
For some reason it opened after that…

I already had some people contact me regarding their crashes… I don’t know a lot about UE4 so anyone who needs some special help: I’m not the support…

Cheers…

3

I had a similar problem when running my project with dx12.

I erased the three *.ushaderprecache files in the project’s “Saved” directory. This fixed the issue for me (the files are auto re-generated on next load).