Well, I just decided to casually start a brand new project to mess around with, and when the editor was almost open, BOOM! It crashes. I reopen the project, and then another crash. I make another project, and yet another crash, etc. etc. Log file:
Log file open, 08/05/16 08:48:51
LogInit:Display: Running engine for game: Testy
LogPlatformFile: Not using cached wrapper
LogInit:Display: RandInit(729634004) SRandInit(729634006).
LogTaskGraph: Started task graph with 4 named threads and 5 total threads with 1 sets of task threads.
LogStats: Stats thread started at 0.087059
LogInit: Version: 4.12.5-3039270+++UE4+Release-4.12
LogInit: API Version: 2992821
LogInit: Net Version: 3039270
LogDevObjectVersion: Number of dev versions registered: 13
LogDevObjectVersion: Dev-Blueprints (B0D832E4-1F89-4F0D-ACCF-7EB736FD4AA2): 3
LogDevObjectVersion: Dev-Build (E1C64328-A22C-4D53-A36C-8E866417BD8C): 0
LogDevObjectVersion: Dev-Core (375EC13C-06E4-48FB-B500-84F0262A717E): 1
LogDevObjectVersion: Dev-Editor (E4B068ED-F494-42E9-A231-DA0B2E46BB41): 2
LogDevObjectVersion: Dev-Framework (CFFC743F-43B0-4480-9391-14DF171D2073): 6
LogDevObjectVersion: Dev-Mobile (B02B49B5-BB20-44E9-A304-32B752E40360): 0
LogDevObjectVersion: Dev-Networking (A4E4105C-59A1-49B5-A7C5-40C4547EDFEE): 0
LogDevObjectVersion: Dev-Online (39C831C9-5AE6-47DC-9A44-9C173E1C8E7C): 0
LogDevObjectVersion: Dev-Physics (78F01B33-EBEA-4F98-B9B4-84EACCB95AA2): 0
LogDevObjectVersion: Dev-Platform (6631380F-2D4D-43E0-8009-CF276956A95A): 0
LogDevObjectVersion: Dev-Rendering (12F88B9F-8875-4AFC-A67C-D90C383ABD29): 2
LogDevObjectVersion: Dev-Sequencer (7B5AE74C-D270-4C10-A958-57980B212A5A): 0
LogDevObjectVersion: Dev-VR (D7296918-1DD6-4BDD-9DE2-64A83CC13884): 0
LogInit: Compiled (64-bit): Jul 6 2016 09:09:46
LogInit: Compiled with Visual C++: 19.00.23026.00
LogInit: Build Configuration: Development
LogInit: Branch Name: ++UE4+Release-4.12
LogInit: Command line: -EpicPortal
LogInit: Base directory: C:/UnrealEngine4/Epic Games/4.12/Engine/Binaries/Win64/
LogInit: Installed Engine Build: 1
LogInit: Using libcurl 7.41.0
LogInit: - built for x86_64-pc-win32
LogInit: - supports SSL with WinSSL
LogInit: - other features:
LogInit: CURL_VERSION_SSL
LogInit: CURL_VERSION_IPV6
LogInit: CURL_VERSION_ASYNCHDNS
LogInit: CURL_VERSION_LARGEFILE
LogInit: CURL_VERSION_IDN
LogInit: CurlRequestOptions (configurable via config and command line):
LogInit: - bVerifyPeer = true - Libcurl will verify peer certificate
LogInit: - bUseHttpProxy = false - Libcurl will NOT use HTTP proxy
LogInit: - bDontReuseConnections = false - Libcurl will reuse connections
LogInit: - CertBundlePath = nullptr - Libcurl will use whatever was configured at build time.
LogInit: Presizing for max 8388607 objects, including 0 objects not considered by GC, pre-allocating 0 bytes for permanent pool.
LogInit: Object subsystem initialized
[2016.08.05-14.48.51:208][ 0]LogInit: Selected Device Profile: [Windows]
[2016.08.05-14.48.51:208][ 0]LogInit: Applying CVar settings loaded from the selected device profile: [Windows]
[2016.08.05-14.48.51:224][ 0]LogInit: Computer: COOLPC
[2016.08.05-14.48.51:224][ 0]LogInit: User:
[2016.08.05-14.48.51:224][ 0]LogInit: CPU Page size=65536, Cores=2
[2016.08.05-14.48.51:224][ 0]LogInit: High frequency timer resolution =1.753828 MHz
[2016.08.05-14.48.51:225][ 0]LogMemory: Memory total: Physical=3.9GB (4GB approx)
[2016.08.05-14.48.51:225][ 0]LogMemory: Platform Memory Stats for Windows
[2016.08.05-14.48.51:225][ 0]LogMemory: Process Physical Memory: 189.29 MB used, 189.29 MB peak
[2016.08.05-14.48.51:225][ 0]LogMemory: Process Virtual Memory: 194.75 MB used, 194.75 MB peak
[2016.08.05-14.48.51:225][ 0]LogMemory: Physical Memory: 3135.45 MB used, 3981.73 MB total
[2016.08.05-14.48.51:225][ 0]LogMemory: Virtual Memory: 547.25 MB used, 134217728.00 MB total
[2016.08.05-14.48.51:267][ 0]LogTextLocalizationManager: No specific translations for ('en-US') exist, so ('en') translations will be used.
[2016.08.05-14.48.52:048][ 0]LogD3D11RHI: D3D11 adapters:
[2016.08.05-14.48.52:086][ 0]LogD3D11RHI: 0. 'Intel(R) HD Graphics' (Feature Level 11_0)
[2016.08.05-14.48.52:086][ 0]LogD3D11RHI: 32/0/1760 MB DedicatedVideo/DedicatedSystem/SharedSystem, Outputs:1, VendorId:0x8086
[2016.08.05-14.48.52:090][ 0]LogD3D11RHI: 1. 'Microsoft Basic Render Driver' (Feature Level 11_0)
[2016.08.05-14.48.52:090][ 0]LogD3D11RHI: 0/0/1990 MB DedicatedVideo/DedicatedSystem/SharedSystem, Outputs:0, VendorId:0x1414
[2016.08.05-14.48.52:090][ 0]LogD3D11RHI: Chosen D3D11 Adapter: 0
[2016.08.05-14.48.52:099][ 0]LogD3D11RHI: Creating new Direct3DDevice
[2016.08.05-14.48.52:099][ 0]LogD3D11RHI: GPU DeviceId: 0x156 (for the marketing name, search the web for "GPU Device Id")
[2016.08.05-14.48.52:099][ 0]LogWindows: EnumDisplayDevices:
[2016.08.05-14.48.52:099][ 0]LogWindows: 0. 'Intel(R) HD Graphics' (P:1 D:1)
[2016.08.05-14.48.52:100][ 0]LogWindows: 1. 'Intel(R) HD Graphics' (P:0 D:0)
[2016.08.05-14.48.52:100][ 0]LogWindows: 2. 'Intel(R) HD Graphics' (P:0 D:0)
[2016.08.05-14.48.52:101][ 0]LogWindows: DebugString: FoundDriverCount:3
[2016.08.05-14.48.52:101][ 0]LogD3D11RHI: Adapter Name: Intel(R) HD Graphics
[2016.08.05-14.48.52:101][ 0]LogD3D11RHI: Driver Version: 10.18.10.4276 (internal:10.18.10.4276, unified:10.18.10.4276)
[2016.08.05-14.48.52:101][ 0]LogD3D11RHI: Driver Date: 8-17-2015
[2016.08.05-14.48.52:101][ 0]LogRHI: Texture pool is 638 MB (70% of 912 MB)
[2016.08.05-14.48.52:105][ 0]LogD3D11RHI: Async texture creation enabled
[2016.08.05-14.48.52:117][ 0]LogD3D11RHI: GPU Timing Frequency: 12.500000 (Debug: 2 0)
[2016.08.05-14.48.52:118][ 0]LogShaderCompilers: Guid format shader working directory is -15 characters bigger than the processId version (../../../../../../Users//Documents/Unreal Projects/Testy/Intermediate/Shaders/WorkingDirectory/2128/).
[2016.08.05-14.48.52:118][ 0]LogShaderCompilers: Cleaned the shader compiler working directory 'C:/Users//AppData/Local/Temp/UnrealShaderWorkingDir/1EB16D014EF9C742A20D5B946EB1BBAE/'.
[2016.08.05-14.48.52:118][ 0]LogShaderCompilers:Display: Using Local Shader Compiler.
[2016.08.05-14.48.54:049][ 0]LogTemp:Display: Loaded TP AllDesktopTargetPlatform
[2016.08.05-14.48.54:067][ 0]LogTemp:Display: Loaded TP WindowsClientTargetPlatform
[2016.08.05-14.48.54:086][ 0]LogTemp:Display: Loaded TP WindowsNoEditorTargetPlatform
[2016.08.05-14.48.54:104][ 0]LogTemp:Display: Loaded TP WindowsServerTargetPlatform
[2016.08.05-14.48.54:122][ 0]LogTemp:Display: Loaded TP WindowsTargetPlatform
[2016.08.05-14.48.54:139][ 0]LogTemp:Display: Loaded TP AndroidTargetPlatform
[2016.08.05-14.48.54:156][ 0]LogTemp:Display: Loaded TP Android_ASTCTargetPlatform
[2016.08.05-14.48.54:172][ 0]LogTemp:Display: Loaded TP Android_ATCTargetPlatform
[2016.08.05-14.48.54:187][ 0]LogTemp:Display: Loaded TP Android_DXTTargetPlatform
[2016.08.05-14.48.54:203][ 0]LogTemp:Display: Loaded TP Android_ETC1TargetPlatform
[2016.08.05-14.48.54:220][ 0]LogTemp:Display: Loaded TP Android_ETC2TargetPlatform
[2016.08.05-14.48.54:252][ 0]LogTemp:Display: Loaded TP Android_MultiTargetPlatform
[2016.08.05-14.48.54:252][ 0]LogTemp:Display: Loaded TP Android_PVRTCTargetPlatform
[2016.08.05-14.48.54:254][ 0]LogTemp:Display: Loaded TP HTML5TargetPlatform
[2016.08.05-14.48.54:287][ 0]LogTemp:Display: Loaded TP IOSTargetPlatform
[2016.08.05-14.48.54:303][ 0]LogTemp:Display: Loaded TP TVOSTargetPlatform
[2016.08.05-14.48.54:319][ 0]LogTemp:Display: Loaded TP LinuxNoEditorTargetPlatform
[2016.08.05-14.48.54:335][ 0]LogTemp:Display: Loaded TP LinuxServerTargetPlatform
[2016.08.05-14.48.54:353][ 0]LogTemp:Display: Loaded TP LinuxTargetPlatform
[2016.08.05-14.48.54:353][ 0]LogTargetPlatformManager:Display: Building Assets For Windows
[2016.08.05-14.48.54:481][ 0]LogDerivedDataCache:Display: Max Cache Size: 512 MB
[2016.08.05-14.48.54:598][ 0]LogDerivedDataCache: Loaded boot cache 0.11s 48MB C:/Users//AppData/Local/UnrealEngine/4.12/DerivedDataCache/Boot.ddc.
[2016.08.05-14.48.54:717][ 0]LogDerivedDataCache:Display: Loaded Boot cache: C:/Users//AppData/Local/UnrealEngine/4.12/DerivedDataCache/Boot.ddc
[2016.08.05-14.48.54:717][ 0]LogDerivedDataCache: FDerivedDataBackendGraph: Pak pak cache file ../../../../../../Users//Documents/Unreal Projects/Testy/DerivedDataCache/DDC.ddp not found, will not use a pak cache.
[2016.08.05-14.48.54:717][ 0]LogDerivedDataCache: Unable to find inner node Pak for hierarchical cache Hierarchy.
[2016.08.05-14.48.54:717][ 0]LogDerivedDataCache: FDerivedDataBackendGraph: CompressedPak pak cache file ../../../../../../Users//Documents/Unreal Projects/Testy/DerivedDataCache/Compressed.ddp not found, will not use a pak cache.
[2016.08.05-14.48.54:717][ 0]LogDerivedDataCache: Unable to find inner node CompressedPak for hierarchical cache Hierarchy.
[2016.08.05-14.48.54:751][ 0]LogDerivedDataCache:Display: Pak cache opened for reading ../../../Engine/DerivedDataCache/Compressed.ddp.
[2016.08.05-14.48.54:792][ 0]LogDerivedDataCache: Using Local data cache path C:/Users//AppData/Local/UnrealEngine/Common/DerivedDataCache: Writable
[2016.08.05-14.48.55:186][ 0]LogInit: Selected Device Profile: [Windows]
[2016.08.05-14.48.55:187][ 0]LogContentStreaming: Texture pool size is 0.00 MB
[2016.08.05-14.48.55:507][ 0]LogMeshUtilities: No automatic mesh reduction module available
[2016.08.05-14.48.55:507][ 0]LogMeshUtilities: No automatic mesh merging module available
[2016.08.05-14.48.55:507][ 0]LogMeshUtilities: No distributed automatic mesh merging module available
[2016.08.05-14.48.56:125][ 0]LogAssetRegistry: FAssetRegistry took 0.0228 seconds to start up
[2016.08.05-14.48.56:209][ 0]LogPackageLocalizationCache: Processed 3 localized package path(s) for 2 prioritized culture(s) in 0.079491 seconds
[2016.08.05-14.48.56:217][ 0]LogUObjectArray: 28739 objects as part of root set at end of initial load.
[2016.08.05-14.48.56:217][ 0]LogUObjectAllocator: 5855632 out of 0 bytes used by permanent object pool.
[2016.08.05-14.48.56:217][ 0]LogUObjectArray: CloseDisregardForGC: 0/0 objects in disregard for GC pool
[2016.08.05-14.48.56:230][ 0]LogInit: WinSock: version 1.1 (2.2), MaxSocks=32767, MaxUdp=65467
[2016.08.05-14.48.56:560][ 0]LogSlate: SlateFontCache - WITH_FREETYPE: 1, WITH_HARFBUZZ: 1
[2016.08.05-14.48.56:560][ 0]LogSlate: SlateFontCache - WITH_FREETYPE: 1, WITH_HARFBUZZ: 1
[2016.08.05-14.48.57:848][ 0]LogUdpMessaging: Initializing bridge on interface 0.0.0.0:0 to multicast group 230.0.0.1:6666.
[2016.08.05-14.48.58:234][ 0]SourceControl: Info Source control is disabled
[2016.08.05-14.48.58:236][ 0]SourceControl: Info Source control is disabled
[2016.08.05-14.48.58:248][ 0]SourceControl: Info Source control is disabled
[2016.08.05-14.48.58:261][ 0]SourceControl: Info Source control is disabled
[2016.08.05-14.48.58:608][ 0]LogEngine: Initializing Engine...
[2016.08.05-14.48.58:610][ 0]LogHMD: SteamVR failed to initialize. Err: 110
[2016.08.05-14.48.58:611][ 0]LogHMD: SteamVR failed to initialize. Err: 110
[2016.08.05-14.48.58:941][ 0]LogAIModule: Creating AISystem for world NewWorld
[2016.08.05-14.48.58:952][ 0]LogInit: XAudio2 using 'Speakers (Realtek High Definition Audio)' : 2 channels at 48 kHz using 32 bits per sample (channel mask 0x3)
[2016.08.05-14.48.59:084][ 0]LogInit: FAudioDevice initialized.
[2016.08.05-14.48.59:134][ 0]LogDerivedDataCache: Saved boot cache 0.05s 48MB C:/Users//AppData/Local/UnrealEngine/4.12/DerivedDataCache/Boot.ddc.
[2016.08.05-14.48.59:146][ 0]LogInit: Texture streaming: Enabled
[2016.08.05-14.48.59:186][ 0]LogInit: Transaction tracking system initialized
[2016.08.05-14.48.59:227][ 0]BlueprintLog: New page: Editor Load
[2016.08.05-14.48.59:357][ 0]LocalizationService: Info Localization service is disabled
[2016.08.05-14.48.59:459][ 0]LogConsoleResponse:Display:
[2016.08.05-14.49.00:112][ 0]LogCook:Display: Max memory allowance for cook 8192mb
[2016.08.05-14.49.00:112][ 0]LogCook:Display: Mobile HDR setting 1
[2016.08.05-14.49.00:295][ 0]LogFileCache: Scanning file cache for directory 'C:/Users//Documents/Unreal Projects/Testy/Content/' took 0.19s
[2016.08.05-14.49.00:295][ 0]SourceControl: Info Source control is disabled
[2016.08.05-14.49.00:295][ 0]Cmd: MAP LOAD FILE="../../../../../../Users//Documents/Unreal Projects/Testy/Content/StarterContent/Maps/Minimal_Default.umap" TEMPLATE=0 SHOWPROGRESS=1 FEATURELEVEL=3
[2016.08.05-14.49.00:583][ 0]LightingResults: New page: Lighting Build
[2016.08.05-14.49.00:587][ 0]MapCheck: New page: Map Check
[2016.08.05-14.49.00:587][ 0]LightingResults: New page: Lighting Build
[2016.08.05-14.49.12:336][ 0]LogAIModule: Creating AISystem for world Minimal_Default
[2016.08.05-14.49.12:458][ 0]LogEditorServer: Finished looking for orphan Actors (0.000 secs)
[2016.08.05-14.49.12:459][ 0]Cmd: MAP CHECKDEP NOCLEARLOG
[2016.08.05-14.49.12:543][ 0]MapCheck: Info Map check complete: 0 Error(s), 0 Warning(s), took 84.497ms to complete.
[2016.08.05-14.49.12:544][ 0]LogFileHelpers: Loading map 'Minimal_Default' took 12.248
[2016.08.05-14.49.12:897][ 0]LogCollectionManager: Loaded 0 collections in 0.003215 seconds
[2016.08.05-14.49.12:941][ 0]LogFileCache: Scanning file cache for directory 'C:/Users//Documents/Unreal Projects/Testy/Saved/Collections/' took 0.01s
[2016.08.05-14.49.12:941][ 0]LogFileCache: Scanning file cache for directory 'C:/Users//Documents/Unreal Projects/Testy/Content/Developers//Collections/' took 0.01s
[2016.08.05-14.49.12:941][ 0]LogFileCache: Scanning file cache for directory 'C:/Users//Documents/Unreal Projects/Testy/Content/Collections/' took 0.01s
[2016.08.05-14.49.12:942][ 0]LogCollectionManager: Rebuilt the GUID cache for 0 collections in 0.000005 seconds
[2016.08.05-14.49.12:959][ 0]LogContentBrowser: Native class hierarchy populated in 0.0164 seconds. Added 2047 classes and 369 folders.
[2016.08.05-14.49.12:968][ 0]LogStats: UGameplayTagsManager::ConstructGameplayTagTree: Construct from data asset - 0.000 s
[2016.08.05-14.49.12:969][ 0]LogStats: UGameplayTagsManager::ConstructGameplayTagTree: GameplayTagTreeChangedEvent.Broadcast - 0.000 s
[2016.08.05-14.49.12:970][ 0]LogContentBrowser: Native class hierarchy updated for 'GameplayTags' in 0.0009 seconds. Added 12 classes and 0 folders.
[2016.08.05-14.49.12:988][ 0]LogContentBrowser: Native class hierarchy updated for 'WidgetCarousel' in 0.0007 seconds. Added 0 classes and 0 folders.
[2016.08.05-14.49.15:857][ 0]LogContentBrowser: Native class hierarchy updated for 'AddContentDialog' in 0.0008 seconds. Added 0 classes and 0 folders.
[2016.08.05-14.49.16:010][ 0]LogContentBrowser: Native class hierarchy updated for 'SceneOutliner' in 0.0009 seconds. Added 1 classes and 2 folders.
[2016.08.05-14.49.16:042][ 0]LogCrashTracker: Crashtracker disabled due to settings.
[2016.08.05-14.49.16:102][ 0]LogWindowsTextInputMethodSystem:Display: IME system now deactivated.
[2016.08.05-14.49.16:104][ 0]LogWindowsTextInputMethodSystem:Display: IME system now deactivated.
[2016.08.05-14.49.16:714][ 0]LogContentBrowser: Native class hierarchy updated for 'HierarchicalLODOutliner' in 0.0013 seconds. Added 1 classes and 2 folders.
[2016.08.05-14.49.16:715][ 0]LogLoad: Full Startup: 26.57 seconds (BP compile: 0.08 seconds)
[2016.08.05-14.49.16:715][ 0]LogExternalProfiler: Found external profiler: VSPerf
[2016.08.05-14.49.16:715][ 0]LogExternalProfiler: Using external profiler: VSPerf
[2016.08.05-14.49.16:735][ 0]LogOcInput: OculusInput pre-init called
[2016.08.05-14.49.16:762][ 0]LogContentStreaming: Texture pool size now 1000 MB
[2016.08.05-14.49.17:663][ 0]LogRenderer: Reallocating scene render targets to support 856x372 (Frame:2).
[2016.08.05-14.49.18:825][ 0]LogD3D11RHI:Error: Direct3DDevice->CreateTexture2D(TextureDesc,SubResourceData,OutTexture2D) failed
at D:\Build\++UE4+Release-4.12+Compile\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Texture.cpp:434
with error E_INVALIDARG,
Size=856x372x1 Format=(0x0000002C), NumMips=1, Flags=D3D11_BIND_DEPTH_STENCIL D3D11_BIND_SHADER_RESOURCE
[2016.08.05-14.49.18:825][ 0]LogWindows: Windows GetLastError: The operation completed successfully. (0)
I hope you can find a way to fix it!