Error message: "Reached the maximum allowed concurrent activations '1' for your subscription. Deactivate other Studio instances

I am using Trados Studio 2024 (Trados Freelance Personal subscription).
When I try to activate the software, I keep getting this error message:
"Reached the maximum allowed concurrent activations '1' for your subscription. Deactivate other Studio instances. I am not running Trados Studio anywhere else, only on this laptop. I cannot find a solution on the web. I have an urgent translation project going on.

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