Long story short:
Every installation of Windows i do is swapping stereo channels L/R to R/L ONLY when running 3D applications.
This is DEFINATELY a software/windows issue because windows sound test in sound panel or youtube stereo channel test is correct (channels arent swapped).
Once i run...
3d applications
audio
audio issues
channel
drivers
gaming
hardware
headset
installation
onboard audio
pci
sound panel
sound test
stereo
troubleshooting
version
windows
windows 10
windows 11
windows 7