First close your DAW
1.Control Panel
2.Sound
3.Select your sound card and properties
4.Select Advanced
5.Default format
6.Choose the sample rate you want and play button Apply ok
7.Open your DAW and check the sample rate!
Or can re-install the Cubase my problem fix after re-install!
I spend some time to fix this problem and It worked for me so I shared this video to help. So if you have a better idea to propote can comment!
https://virusofkoch.bandcamp.com/merch