issue in elicenser control center

hi i have a cubase le 10.5 but i have a new computer so i need to reactive.
the problem is my new computer already has a elicenser control center with someone else’s license and i tried to delete and reinstall but every time it shows that license and i dont know what to do that it will show my license.
its wrriten there that thr soft-elicenser stored on hard disk and bound to this computer. someone kmow what to do? how to delete and download a new elicenser control center with my license?