Trouble returning/deactivate licence offline

Hello!

So I had to reinstall Windows due to some issues and I am unable to reinitiate licence or deactivate.

I get the certificate but the procedure does not work when I click on Confirm Offline deactivation (translated from French).

Error message is Error deactivating offline. If you have other issues, please fill a support request.

Thanks in advance for your help!

Chantal

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