Regarding the specific error “Access denied for user ‘root’@‘localhost’,” I recommend checking the below thread for possible solutions. However, the steps can be quite technical, so it might be simpler to start with a fresh installation of DevKinsta. But before you do that, could you please confirm the following information?
DevKinsta version:
Docker Desktop version:
Computer Operating System version:
(If you’re using Windows, please confirm if you selected WSL or HyperV during the installation)