Epic Client fails to load, GPU error dxva_video_decode

Epic Client Logs: This repeats while the client is open, but the screen is blank and nothing, no games are displayed or available for downloading, starting, or anything.

[0912/211120.012:ERROR:mf_helpers.cc(12)] Error in dxva_video_decode_accelerator_win.cc on line 478
[0912/211120.037:ERROR:gles2_cmd_decoder.cc(15562)] Context lost because SwapBuffers failed.
[0912/211120.038:ERROR:gles2_cmd_decoder.cc(5313)] Error: 5 for Command kPostSubBufferCHROMIUM

Drivers are current…
Radeon Software Version - 19.8.1
Radeon Software Edition - Adrenalin 2019
Graphics Chipset - AMD Radeon RX 5700 XT
Memory Size - 8176 MB
Memory Type - GDDR6
Core Clock - 1755 MHz
Windows Version - Windows 8.1 (64 bit)
System Memory - 32 GB
CPU Type - Intel® Core™ i7-4790 CPU @ 3.60GHz
OpenGL API v4.6

Epic Client was uninstalled and reinstalled. Running latest version, v10.5.4.

Anyone have any ideas?