Warding here cauz i have the same error.
My file :
ALC_SOFT_pause_device present
GL Vendor : NVIDIA Corporation
GL Renderer : GeForce GTX 980/PCIe/SSE2
GL Version : 4.6.0 NVIDIA 450.12
GLSL Version : 4.60 NVIDIA
AL lib: (EE) SetChannelMap: Failed to match front-center channel (2) in channel map
unexpected ucrtbase.dll
AL lib: (EE) alc_cleanup: 1 device not closed