I can't deactivate

I have SDL Trados Studio 2019 version.

I finished the deactivation procedure for SDL Trados Studio in offline and got the deactivation certificate.

To inform the deactivation, I pasted the deactivation certificate to the relevant box (Deactivate Certificate box) and clicked the Confirm Offline Deactivation button.

However, the process is stuck this state.

How can I complete the deactivation procedure in offline.

I have to start my translation work, right now.

Please I need your help.

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