Activation 05/12/2019

Hi I installed 2019.10.1 and activated it. Worked fine but it said I had to install the UI chrome extension. I did this and i had to log out. Logged back in and launched again and it asked for activation again. Tried to use the key but got this:

As this is tha same PC I don’t understand why it would behave in this manner.

Also how do I find my device ID