delete compleate obs folder reinstall it !
then did you run an administrator account on the PC ? try run obs as Admin !
update drivers GPU Chipset from the manufature homepage not over the device manager !
>> Previously, I deleted the OBS folde.
>> The program was run by me through the compatibility tool, as an administrator and in safe mode - it's useles.
>> I have already completely removed the video card drivers and reinstalled them through GeForce Experience - it's useles.
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In the end, only deleting all profile settings and re-setting them helped me... not good.