I ran the launcher through CLI to check the logs and here's what happens right when the launcher goes entirely white:
(11:46:42) INFO: [Backend]: Starting the Download Queue(11:46:44) INFO: [DXVKInstaller]: Updating dxvk to: dxvk-2.3(11:46:47) DEBUG: [Legendary]: Update is available for Sugar: BC2_Update44+427398 != BC2_Update45+430366(11:46:47) INFO: [Legendary]: Found 1 game to update^C
(11:46:42) INFO: [Backend]: Starting the Download Queue(11:46:44) INFO: [DXVKInstaller]: Updating dxvk to: dxvk-2.3(11:46:47) DEBUG: [Legendary]: Update is available for Sugar: BC2_Update44+427398 != BC2_Update45+430366(11:46:47) INFO: [Legendary]: Found 1 game to update^C
