Don't know why they show that iam von WIN10, its definitely WIN11Please post a log with your issue! Here's how...
OBS Studio creates a log file each time you run it which contains very useful diagnostic information. Without a log file, it's much harder for any support volunteers to figure out problems and your post may be ignored. To upload a log file, go to the Help menu > Log Files > Upload Last Log...obsproject.com
but you are on a insider preview version of windows 10 change to stable
delete the complete obs folder and reinstall !
have you manually delete the obs folder ? and reinstall it ?
GPU driver Updated ?
Chipset Driver updated ?
Bios updated ?
try to open a CMD window as admin
first command
DISM.exe /Online /Cleanup-image /Restorehealth
second command when first finished
sfc /scannow