Yeah, I had to uninstall it also.

It un-installed successfully for me. I think it's gone now.

https://dell.com/community/Alienware-Desktops/My-Aurora-R6-The-Adventure-Continues/m-p/6095405/highlight/true#M3971

Maybe try an overlay/upgrade/install, reboot, and then see if it will uninstall cleanly.