Found my error log. in all the crashes I have the same errors starting with "Capturing Scene Focus" and ending with "Sun Oct 03 2021 05:58:02.850 - Screenshot: Hook Screenshot called with types:
Sun Oct 03 2021 05:58:02.850 - 5"
hope it helps
Sun Oct 03 2021 05:57:54.679 - SLR.dll 1.19.7 startup with PID=19224, config=F:\Programs\Steam\config, runtime=F:\Programs\Steam\steamapps\common\SteamVR
Sun Oct 03 2021 05:57:54.679 - vrclient type=VRApplication_Scene
Sun Oct 03 2021 05:57:54.683 - [Settings] Load Default Json Settings from F:\Programs\Steam\steamapps\common\SteamVR\drivers\htc\resources\settings\default.vrsettings
Sun Oct 03 2021 05:57:54.684 - [Settings] Load Default Json Settings from F:\Programs\Steam\steamapps\common\SteamVR\drivers\lighthouse\resources\settings\default.vrsettings
Sun Oct 03 2021 05:57:54.684 - [Settings] Load Default Json Settings from F:\Programs\Steam\steamapps\common\SteamVR\drivers\null\resources\settings\default.vrsettings
Sun Oct 03 2021 05:57:54.684 - [Settings] Load Default Json Settings from N:\Local Disk N_91420212214\Video Games\SteamLibrary\steamapps\common\MixedRealityVRDriver\resources\settings\default.vrsettings
Sun Oct 03 2021 05:57:54.684 - [Settings] Load Default Json Settings from F:\Programs\Steam\steamapps\common\SteamVR\resources\settings\default.vrsettings
Sun Oct 03 2021 05:57:54.685 - [Settings] Load Json Settings from F:\Programs\Steam\config\steamvr.vrsettings
Sun Oct 03 2021 05:57:54.688 - Client (SteamVR_Namespace) app container state: 1
Sun Oct 03 2021 05:57:54.689 - CSharedResourceNamespaceClient::Init(): received namespace data 15672
Sun Oct 03 2021 05:57:54.689 - Client (VR_ServerPipe_15672) app container state: 1
Sun Oct 03 2021 05:57:57.238 - Received success response from vrserver connect
Sun Oct 03 2021 05:57:57.240 - Not looking for a good app key because Steam didn't start this app
Sun Oct 03 2021 05:57:57.240 - App key after connect message:system.generated.slr.dll
Sun Oct 03 2021 05:57:57.244 - Client (VR_CompositorPipe_15672) app container state: 1
Sun Oct 03 2021 05:57:57.253 - Received success response from vrcompositor connect
Sun Oct 03 2021 05:57:57.253 - Initializing the limited version of CVRCompositorClient
Sun Oct 03 2021 05:57:57.253 - Attempting to load initial input config
Sun Oct 03 2021 05:57:57.255 - No controllers detected. Not waiting for config.
Sun Oct 03 2021 05:57:57.431 - Capturing Scene Focus
Sun Oct 03 2021 05:57:57.746 - Found Windows 10 or newer, so enable advanced image processing of scene textures.
Sun Oct 03 2021 05:57:57.755 - Setting max texture dimensions to 5056x4944 before requiring downsampling
Sun Oct 03 2021 05:58:02.850 - Screenshot: Hook Screenshot called with types:
Sun Oct 03 2021 05:58:02.850 - 5
Sun Oct 03 2021 05:58:02.850 -
Sun Oct 03 2021 05:58:02.927 - Unknown action set /actions/htc_viu
Sun Oct 03 2021 05:58:22.192 - VR_Shutdown called