After hearing all the issues with 5.0c I figured I work with 4.9c. But I am having the same errors as the 4.8c I was using for a while:

Can someone please help me??

All starts great:

https://i.imgur.com/Q9Qt5zW.jpg
https://i.imgur.com/Q9Qt5zW.jpg
https://i.imgur.com/Q9Qt5zW.jpg

Then two minutes later 3 out of 4 GPUs get disabled:

CudaProgram.cu:271 unknown error

https://i.imgur.com/FR0xWiW.jpg
https://i.imgur.com/FR0xWiW.jpg
https://i.imgur.com/FR0xWiW.jpg