ok so i installed nvidia driver version 441.87 and my gpu switch from all good to code 43. you know the sound when a device is detected, my pc does that sound, i see my that my gpu is ok in device manager, few second after, i hear the sound, then my gpu is not ok(code 43), then few second i hear the sound and my gpu is ok, and the sound goes and it repeat this sequence again and again, do you understand, english is not my first language sorry.