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Hi @Daria22302950df46,

Sorry to hear about your trouble. I would like to know if the steps suggested in the help article shared by @Mylenium & @lambiloon above help resolve the issue? If not, I would suggest you try the steps suggested in this help article (https://helpx.adobe.com/manage-account/kb/account-password-sign-help.html). 

Kindly update the discussion if you still need assistance with it. We'd be happy to help.

Thanks & Regards,

Anshul Saini

You may need to manually delete soem of the activation files and/ or fix the licensing services. Refer to this and follow the link on that page that comes closest to what you see as being the issue:

https://helpx.adobe.com/download-install/kb/troubleshoot-creative-cloud-activation-errors.html

Mylenium

Hi if problem still exist you can ask the adobe support...regards

https://helpx.adobe.com/manage-account.html