exactly the same issue...
in launch.log i can see
[0000.34] Init: Presizing for 33476 objects not considered by GC, pre-allocating 0 bytes.
[0000.34] Init: Object subsystem initialized
[0000.37] DevDataBase: Connection to "Provider=sqloledb;Data Source=production-db;Initial Catalog=EngineTaskPerf;Trusted_Connection=Yes;Connection Timeout=2" or "10.1.20.20" failed
[0000.50] Log: Shader platform (RHI): PC-D3D-SM3
[0000.53] Log: PhysX GPU Support: DISABLED
[0003.30] Warning: Warning, Failed to load Outer for resource 'ReturnValue': Function OnlineSubsystemSteamworks.OnlineSubsystemSteamworks:RegisterLocalTalker
[0003.31] Warning: Warning, Failed to load Outer for resource 'ReturnValue': Function OnlineSubsystemSteamworks.OnlineSubsystemSteamworks:ResetStats
[0003.36] Warning: Warning, Failed to load Outer for resource 'ReturnValue': Function OnlineSubsystemSteamworks.OnlineSubsystemSteamworks:GetNumberOfCurrentPlayers
[0003.42] Warning: Warning, Failed to load Outer for resource 'ReturnValue': Function OnlineSubsystemSteamworks.OnlineSubsystemSteamworks:GetCurrentVOIPLevel
[0003.48] Warning: Warning, Failed to load Outer for resource 'ReturnValue': Function OnlineSubsystemSteamworks.OnlineSubsystemSteamworks:HasRO1License
[0003.48] Warning: Warning, Failed to load Outer for resource 'ReturnValue': Function OnlineSubsystemSteamworks.OnlineSubsystemSteamworks:HasRO2Preorder
[0009.40] Critical: appError called: SHA Verification failed for '..\..\ROGame\CookedPC\Startup_POL.upk'. Reason: Bad hash
[0009.40] Critical: Windows GetLastError: Operacja ukoDczona pomy[lnie. (0)
[0009.40] Log: === Critical error: ===
SHA Verification failed for '..\..\ROGame\CookedPC\Startup_POL.upk'. Reason: Bad hash
Address = 0x48c402 (filename not found) [in c:\program files (x86)\steam\steamapps\common\red orchestra 2\binaries\win32\rogame.exe]