There is windows event viewer but the game itself will also have a log.
Grok says its in
%LOCALAPPDATA%\ForzaHorizon6\
Grok says your error code is corrupt file.
Im assuming you also did the steam uninstall reinstall and verify files stuff. Updated windows etc.
So grok recommendation is to reinstall gaming services (im not sold on it) here is the command
Get-AppxPackage Microsoft.GamingServices -AllUsers | Remove-AppxPackage -AllUsers
And then to scan windows for bad files (slow like do overnight but might catch it like 10% in my experience). In admin command prompt type;
sfc /scannow
When its done type:
DISM /Online /Cleanup-Image /RestoreHealth
After that reinstall windows. Win 11 is a buggy mess so it will probably fix something. I had a friend do this to fix his PC running battlefield 6.