Hi,
We are currently investigating this problem - I am sending you a direct message with few questions, hoping for cooperation. Please, reply in DM first before doing the steps mentioned below.
To unblock you, please reinstall Libraries:
1. Delete all folders that start with “CC_LIBRARIES_PANEL_EXTENSION_xx_xx_xx” in this location:
WIN: C:\Program Files (x86)\Common Files\Adobe\CEP\extensions
MAC: Macintosh HD ▸ Library ▸ Application Support ▸ Adobe ▸ CEP -> extensions
2. Follow steps of Solution 2 in this article:
Creative Cloud Libraries panel stopped working
Before trying the steps in article - please, make sure you killed CCLibraries process in Task Manager / Activity Monitor, as well as you have to quit all Adobe related products. This is mentioned in steps 1 and 2 of the article linked in step 2, but wanted to point out, because it is important.
Please, let us know if this resolved the problem.
Thank you,
Mariia