I have installed SeaDrive Client 2.0.14 with root privileges. It was important to remove the necessary file remnants in the /Library.
To do this, simply “go to folder /library” and search for SeaDrive and remove everything that contains SeaDrive in the name.
Then reboot (reboot is absolutely necessary without it does not work) and reinstall SeaDrive in the root account (maybe its not necessary to install it in the Root Account, only test it with it).
Root rights can be unlocked with these instructions: