Won't Load : Failed to initialise UI::Core with error code 3

Can't get the game to load. I've tried everything I can see online(admin, disable fullscreen, compatability mode, but getting this error.

Client Log:

2025/09/07 09:00:35 ***** LOG FILE OPENING *****
2025/09/07 09:00:35 2337984 84b53491 [INFO Client 13972] [JOB] Irrecoverable Exception Callback: SET
2025/09/07 09:00:35 2338203 44e52699 [INFO Client 13972] [CMD][Unrecognized] --nopatch
2025/09/07 09:00:35 2338203 a1e2d692 [INFO Client 13972] [HTTP2] User agent: PoE poe2_production/tags/4.3.0b Windows x64
2025/09/07 09:00:35 2338203 a1e2d693 [INFO Client 13972] [HTTP2] Using backend: cURL
2025/09/07 09:00:35 2338218 36ec605c [INFO Client 13972] Enumerated adapter: NVIDIA GeForce RTX 5060 Ti
2025/09/07 09:00:35 2338406 36ec52d7 [INFO Client 13972] Enumerated device for adapter: NVIDIA GeForce RTX 5060 Ti. Selected feature level: 49408. Max feature level: 49408
2025/09/07 09:00:35 2338406 36ec7815 [INFO Client 13972] Enumerated output for adapter NVIDIA GeForce RTX 5060 Ti of \\.\DISPLAY1
2025/09/07 09:00:35 2338406 36ec605c [INFO Client 13972] Enumerated adapter: Microsoft Basic Render Driver
2025/09/07 09:00:35 2338406 36ec52d7 [INFO Client 13972] Enumerated device for adapter: Microsoft Basic Render Driver. Selected feature level: 49408. Max feature level: 49408
2025/09/07 09:00:35 2338421 b394a376 [INFO Client 13972] [ENGINE] Init
2025/09/07 09:00:35 2338421 b394a371 [INFO Client 13972] [ENGINE] Current directory: C:/Program Files (x86)/Steam/steamapps/common/Path of Exile 2
2025/09/07 09:00:35 2338421 b394a370 [INFO Client 13972] [ENGINE] Cache directory: C:\Users\User\AppData\Roaming\Path of Exile 2\
2025/09/07 09:00:35 2338421 b394a373 [INFO Client 13972] [ENGINE] Download directory: C:\Users\User\AppData\Roaming\Path of Exile 2\Download\
2025/09/07 09:00:35 2338421 b394a372 [INFO Client 13972] [ENGINE] Settings directory: C:\Users\User\Documents\My Games\Path of Exile 2\
2025/09/07 09:00:35 2338421 b394a316 [INFO Client 13972] [ENGINE] Test Synchronous UI: OFF
2025/09/07 09:00:35 2338421 b394a317 [INFO Client 13972] [ENGINE] Test Synchronous Simulation: OFF
2025/09/07 09:00:35 2338421 b394a313 [INFO Client 13972] [ENGINE] Test Disable Frame Move Jobs: OFF
2025/09/07 09:00:35 2338421 b394a31c [INFO Client 13972] [ENGINE] Test Disable Frame Render Jobs: OFF
2025/09/07 09:00:35 2338421 b394a43a [INFO Client 13972] [ENGINE] Linearize: OFF
2025/09/07 09:00:35 2338421 84b53199 [INFO Client 13972] [JOB] Emulate Platforms: OFF
2025/09/07 09:00:35 2338421 84b5319e [INFO Client 13972] [JOB] Tight Buffers: ON
2025/09/07 09:00:35 2338421 84b53117 [INFO Client 13972] [JOB] Test Many Queues: OFF
2025/09/07 09:00:35 2338421 84b534f6 [INFO Client 13972] [JOB] Start
2025/09/07 09:00:35 2338421 84b53df3 [INFO Client 13972] [JOB] HIGH: 8
2025/09/07 09:00:35 2338421 84b53df3 [INFO Client 13972] [JOB] MEDIUM: 11
2025/09/07 09:00:35 2338421 84b53df3 [INFO Client 13972] [JOB] LOW: 4
2025/09/07 09:00:35 2338421 84b53df3 [INFO Client 13972] [JOB] IDLE: 0
2025/09/07 09:00:35 2338421 aa6e6fa8 [INFO Client 13972] [STORAGE] Linearize: OFF
2025/09/07 09:00:35 2338421 aa6e6f81 [INFO Client 13972] [STORAGE] Mapping bucket count: 8
2025/09/07 09:00:35 2338421 aa6e6f87 [INFO Client 13972] [STORAGE] Consolidate: OFF
2025/09/07 09:00:35 2338421 aa6e6fc2 [INFO Client 13972] [STORAGE] Init bundle cache
2025/09/07 09:00:36 2338828 f6f3b403 [INFO Client 13972] [BUNDLE] Bundle index: Bundles2/_.index.bin
2025/09/07 09:00:36 2338828 f6f3b400 [INFO Client 13972] [BUNDLE] Found 50317 entries (8.8 MB)
2025/09/07 09:00:36 2338828 f6f3b401 [INFO Client 13972] [BUNDLE] Found 3124761 slots (59.6 MB)
2025/09/07 09:00:36 2338828 f6f3b40e [INFO Client 13972] [BUNDLE] Found 71683 directories (840.0 KB)
2025/09/07 09:00:36 2338843 aa6e700f [INFO Client 13972] [STORAGE] Async: ON
2025/09/07 09:00:36 2338843 b335da6d [INFO Client 13972] [RENDER] Render: ON
2025/09/07 09:00:36 2338843 b335da6e [INFO Client 13972] [RENDER] Emulate: OFF
2025/09/07 09:00:36 2338843 b335da6b [INFO Client 13972] [RENDER] Tight: ON
2025/09/07 09:00:36 2338843 b335da64 [INFO Client 13972] [RENDER] Consolidate: OFF
2025/09/07 09:00:36 2338843 b335d507 [INFO Client 13972] [RENDER] Linearize: OFF
2025/09/07 09:00:36 2338843 b335d500 [INFO Client 13972] [RENDER] Linearize Textures: OFF
2025/09/07 09:00:36 2338843 b335d50d [INFO Client 13972] [RENDER] Validate Bindings: OFF
2025/09/07 09:00:36 2338843 b335d525 [INFO Client 13972] [RENDER] Single Buffered: OFF
2025/09/07 09:00:36 2338843 b335d520 [INFO Client 13972] [RENDER] Device Recovery: ON
2025/09/07 09:00:36 2338843 b335d523 [INFO Client 13972] [RENDER] Resource Manager: OFF
2025/09/07 09:00:36 2338843 b335d543 [INFO Client 13972] [RENDER] Disable Transfer Queue: OFF
2025/09/07 09:00:36 2338843 b335d901 [INFO Client 13972] [RENDER] Async: ON
2025/09/07 09:00:36 2338843 b335d964 [INFO Client 13972] [RENDER] Budget: ON
2025/09/07 09:00:36 2338843 b335d962 [INFO Client 13972] [RENDER] Wait: ON
2025/09/07 09:00:36 2338843 b335d945 [INFO Client 13972] [RENDER] Warmup: ON
2025/09/07 09:00:36 2338843 b335d94f [INFO Client 13972] [RENDER] Skip: ON
2025/09/07 09:00:36 2338843 b335d9a2 [INFO Client 13972] [RENDER] Throttling: ON
2025/09/07 09:00:36 2338843 40326e9b [INFO Client 13972] [SHADER] Packed Only: OFF
2025/09/07 09:00:36 2338843 40326e9e [INFO Client 13972] [SHADER] Force Compile: OFF
2025/09/07 09:00:36 2338843 c0e23e04 [INFO Client 13972] [TEXTURE] Tight Buffers: ON
2025/09/07 09:00:36 2338843 c0e23e09 [INFO Client 13972] [TEXTURE] Small Caches: OFF
2025/09/07 09:00:36 2338843 c0e23e21 [INFO Client 13972] [TEXTURE] Emulate: OFF
2025/09/07 09:00:36 2338843 c0e23e24 [INFO Client 13972] [TEXTURE] Linearize: OFF
2025/09/07 09:00:36 2338843 c0e23e27 [INFO Client 13972] [TEXTURE] Linearize Textures: OFF
2025/09/07 09:00:36 2338843 3375efc0 [INFO Client 13972] [TEXTURE] Dynamic Bucket count: 16
2025/09/07 09:00:36 2338843 c0e23ec2 [INFO Client 13972] [TEXTURE] Async: ON
2025/09/07 09:00:36 2338843 c0e23ee7 [INFO Client 13972] [TEXTURE] Wait: ON
2025/09/07 09:00:36 2338843 c0e23ee1 [INFO Client 13972] [TEXTURE] Throttling: ON
2025/09/07 09:00:36 2338843 c0e23e86 [INFO Client 13972] [TEXTURE] Budget: ON
2025/09/07 09:00:36 2338843 c0e23e8c [INFO Client 13972] [TEXTURE] Throw: OFF
2025/09/07 09:00:36 2338843 80ce043f [INFO Client 13972] [MESH] Tight Buffers: ON
2025/09/07 09:00:36 2338843 80ce043c [INFO Client 13972] [MESH] Small Caches: OFF
2025/09/07 09:00:36 2338843 80ce0439 [INFO Client 13972] [MESH] Emulate: OFF
2025/09/07 09:00:36 2338843 80ce0399 [INFO Client 13972] [MESH] Dynamic Bucket count: 16
2025/09/07 09:00:36 2338843 80ce03da [INFO Client 13972] [MESH] Throw: OFF
2025/09/07 09:00:36 2338843 2627fd03 [INFO Client 13972] [ENGINE] Running Engine version 2.5.0
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache Minimap at C:\Users\User\AppData\Roaming\Path of Exile 2\Minimap.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache DailyDealCache at C:\Users\User\AppData\Roaming\Path of Exile 2\DailyDealCache.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache MOTDCache at C:\Users\User\AppData\Roaming\Path of Exile 2\MOTDCache.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache Countdown at C:\Users\User\AppData\Roaming\Path of Exile 2\Countdown.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache ShopImages at C:\Users\User\AppData\Roaming\Path of Exile 2\ShopImages.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache PaymentPackage at C:\Users\User\AppData\Roaming\Path of Exile 2\PaymentPackage.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache SupporterPackSet at C:\Users\User\AppData\Roaming\Path of Exile 2\SupporterPackSet.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache VideoCache at C:\Users\User\AppData\Roaming\Path of Exile 2\VideoCache.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache ShaderCacheNull at C:\Users\User\AppData\Roaming\Path of Exile 2\ShaderCacheNull.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache ShaderCacheD3D11 at C:\Users\User\AppData\Roaming\Path of Exile 2\ShaderCacheD3D11.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache ShaderCacheD3D12 at C:\Users\User\AppData\Roaming\Path of Exile 2\ShaderCacheD3D12.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache ShaderCacheD3D12_X at C:\Users\User\AppData\Roaming\Path of Exile 2\ShaderCacheD3D12_X.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache ShaderCacheD3D12_XS at C:\Users\User\AppData\Roaming\Path of Exile 2\ShaderCacheD3D12_XS.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache ShaderCacheGMNX at C:\Users\User\AppData\Roaming\Path of Exile 2\ShaderCacheGMNX.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache ShaderCacheAGC at C:\Users\User\AppData\Roaming\Path of Exile 2\ShaderCacheAGC.tmp
2025/09/07 09:00:36 2338843 b39496f4 [INFO Client 13972] [ENGINE] Wiping cache ShaderCacheVulkan at C:\Users\User\AppData\Roaming\Path of Exile 2\ShaderCacheVulkan.tmp
2025/09/07 09:00:36 2338843 d86b5b81 [INFO Client 13972] [TRAILS] Immutable: ON
2025/09/07 09:00:36 2338843 d86b5b8e [INFO Client 13972] [TRAILS] Debug: OFF
2025/09/07 09:00:36 2338843 d86b5ba4 [INFO Client 13972] [TRAILS] Linearize: OFF
2025/09/07 09:00:36 2338843 6689d087 [INFO Client 13972] [MAT] Tight: ON
2025/09/07 09:00:36 2338843 6689d085 [INFO Client 13972] [MAT] Ingore Temp: ON
2025/09/07 09:00:36 2338843 6689d0a1 [INFO Client 13972] [MAT] Enable Validation: OFF
2025/09/07 09:00:36 2338843 6689d0a2 [INFO Client 13972] [MAT] Enable Throw: OFF
2025/09/07 09:00:36 2338843 6689d0a7 [INFO Client 13972] [MAT] Linearize: OFF
2025/09/07 09:00:36 2338859 fb59837e [INFO Client 13972] [MAT] Mat table size: 128260
2025/09/07 09:00:36 2338859 b18f0fbf [INFO Client 13972] [MAT] Dynamic Bucket count: 8
2025/09/07 09:00:36 2338859 6689d046 [INFO Client 13972] [MAT] Async: ON
2025/09/07 09:00:36 2338859 6689d165 [INFO Client 13972] [MAT] Wait: ON
2025/09/07 09:00:36 2338859 6689d16f [INFO Client 13972] [MAT] Warmup: ON
2025/09/07 09:00:36 2338859 104b656c [INFO Client 13972] [SOUND] Audio: ON
2025/09/07 09:00:36 2338859 104b656d [INFO Client 13972] [SOUND] LiveUpdate: OFF
2025/09/07 09:00:36 2338859 529599a5 [INFO Client 13972] [SOUND] Buffer size = 128.0 MB
2025/09/07 09:00:36 2338859 52959164 [INFO Client 13972] [SOUND] Channel count = 128 (asked for 128)
2025/09/07 09:00:36 2338859 52959163 [INFO Client 13972] [SOUND] Source count = 512
2025/09/07 09:00:36 2338890 529584c1 [INFO Client 13972] [SOUND] Fmod Init success ( version 0x20308 )
2025/09/07 09:00:36 2338984 52958ca0 [INFO Client 13972] [SOUND] Changing to device "Headphones (High Definition Audio Device)"
2025/09/07 09:00:36 2338984 80841de1 [INFO Client 13972] [GRAPH] Tight: ON
2025/09/07 09:00:36 2338984 80841def [INFO Client 13972] [GRAPH] Ignore Temp: ON
2025/09/07 09:00:36 2338984 80841dc5 [INFO Client 13972] [GRAPH] Inline Uniforms: ON
2025/09/07 09:00:36 2338984 80841dc2 [INFO Client 13972] [GRAPH] Enable Throw: OFF
2025/09/07 09:00:36 2338984 80841dcf [INFO Client 13972] [GRAPH] Linearize: OFF
2025/09/07 09:00:36 2338984 4e0deab [INFO Client 13972] [GRAPH] Dynamic Bucket count: 8
2025/09/07 09:00:36 2338984 f2559bd7 [INFO Client 13972] [VIDEO] Enable: ON
2025/09/07 09:00:36 2338984 ae90618d [INFO Client 13972] [PARTICLE] Immutable: ON
2025/09/07 09:00:36 2338984 ae90626b [INFO Client 13972] [PARTICLE] Debug: OFF
2025/09/07 09:00:36 2338984 ae90626e [INFO Client 13972] [PARTICLE] Keep Persistent: ON
2025/09/07 09:00:36 2338984 ae90626d [INFO Client 13972] [PARTICLE] Linearize: OFF
2025/09/07 09:00:36 2338984 2962e3d6 [INFO Client 13972] [RESOURCE] Jobs: ON
2025/09/07 09:00:36 2339000 36ec605c [INFO Client 13972] Enumerated adapter: NVIDIA GeForce RTX 5060 Ti
2025/09/07 09:00:36 2339125 36ec52d7 [INFO Client 13972] Enumerated device for adapter: NVIDIA GeForce RTX 5060 Ti. Selected feature level: 49408. Max feature level: 49408
2025/09/07 09:00:36 2339125 36ec7815 [INFO Client 13972] Enumerated output for adapter NVIDIA GeForce RTX 5060 Ti of \\.\DISPLAY1
2025/09/07 09:00:36 2339125 36ec605c [INFO Client 13972] Enumerated adapter: Microsoft Basic Render Driver
2025/09/07 09:00:36 2339140 36ec52d7 [INFO Client 13972] Enumerated device for adapter: Microsoft Basic Render Driver. Selected feature level: 49408. Max feature level: 49408
2025/09/07 09:00:36 2339140 190bb253 [INFO Client 13972] [RENDER] Driver Version: 32.0.15.8115
2025/09/07 09:00:36 2339140 190bb27b [INFO Client 13972] [RENDER] Hardware-accelerated GPU scheduling: Enabled
2025/09/07 09:00:36 2339140 190bb27f [INFO Client 13972] [ENGINE] Windows Version: Windows 8 Build 9200
2025/09/07 09:00:36 2339140 190bb1d6 [INFO Client 13972] [ENGINE] OS: Windows 8 Build 9200
2025/09/07 09:00:36 2339156 b394ab70 [INFO Client 13972] [ENGINE] Ready
2025/09/07 09:00:36 2339156 bdfe0c38 [INFO Client 13972] [STARTUP] Game Start
2025/09/07 09:00:36 2339390 d539484a [CRIT Client 13972] Exception creating shaping engine. Exception: Failed to record native digital substitution settings
2025/09/07 09:00:36 2339390 a0e1aef6 [CRIT Client 13972] Failed to initialise UI::Core with error code 3
2025/09/07 09:00:36 2339390 bdfe0bdf [INFO Client 13972] [STARTUP] Game in 0.240101 seconds
2025/09/07 09:00:38 2340625 a1e410be [CRIT Client 13972] [EXCEPTION] Failed to initialise
2025/09/07 09:00:38 2340640 b394a8b9 [INFO Client 13972] [ENGINE] Clear
2025/09/07 09:00:38 2340640 84b53570 [INFO Client 13972] [JOB] Stop
2025/09/07 09:00:38 2340640 b394b435 [INFO Client 13972] [JOB] Clear
2025/09/07 09:00:38 2340640 b394b434 [INFO Client 13972] [STORAGE] Clear
2025/09/07 09:00:38 2340640 b394b433 [INFO Client 13972] [GPU TRAIL] Clear
2025/09/07 09:00:38 2340640 b394b432 [INFO Client 13972] [GPU PARTICLE] Clear
2025/09/07 09:00:38 2340640 b394b431 [INFO Client 13972] [VOLUMETRIC FOG] Clear
2025/09/07 09:00:38 2340640 b394b430 [INFO Client 13972] [DOODAD] Clear
2025/09/07 09:00:38 2340640 b394b43f [INFO Client 13972] [DECALS] Clear
2025/09/07 09:00:38 2340640 b394b3d4 [INFO Client 13972] [UI] Clear
2025/09/07 09:00:38 2340640 b394b3d5 [INFO Client 13972] [LUT] Clear
2025/09/07 09:00:38 2340640 b394b3d2 [INFO Client 13972] [ANIMATION] Clear
2025/09/07 09:00:38 2340640 b394b3d3 [INFO Client 13972] [PHYSICS] Clear
2025/09/07 09:00:38 2340640 b394b3df [INFO Client 13972] [SOUND] Clear
2025/09/07 09:00:38 2340750 b394b3f5 [INFO Client 13972] [VIDEO] Clear
2025/09/07 09:00:38 2340750 b394b3f4 [INFO Client 13972] [SCENE] Clear
2025/09/07 09:00:38 2340750 b394b3f7 [INFO Client 13972] [TELEMETRY] Clear
2025/09/07 09:00:38 2340750 b394b3f2 [INFO Client 13972] [RESOURCE] GarbageCollect
2025/09/07 09:00:38 2340750 b394b3fd [INFO Client 13972] [STATIC] Clear
2025/09/07 09:00:38 2340750 b394b3fc [INFO Client 13972] [RESOURCE] Clear
2025/09/07 09:00:38 2340750 b394b395 [INFO Client 13972] [RENDER] Clear
2025/09/07 09:00:38 2340750 b394b397 [INFO Client 13972] [ENTITY2] Clear
2025/09/07 09:00:38 2340750 b394b391 [INFO Client 13972] [MAT] Clear
2025/09/07 09:00:38 2340750 b394b392 [INFO Client 13972] [GRAPH] Clear
2025/09/07 09:00:38 2340750 b394b393 [INFO Client 13972] [TEXTURE] Clear
2025/09/07 09:00:38 2340750 b394b39c [INFO Client 13972] [SHADER] Clear
2025/09/07 09:00:38 2340750 b394b3b1 [INFO Client 13972] [MESH2] Clear
2025/09/07 09:00:38 2340750 b394b3b7 [INFO Client 13972] [ENGINE] Done

Bump

Solved! Thanks to an 11yr old Steam post for PoE1. Issue was caused by localization conflicts between UK and US settings (living in UK, logged in with an old US Microsoft account on a new PC.)

Swapped them all to UK and problem solved.

Stay sane Exiles....