When an active sync is underway, if you click Pause and then restart the Creative Cloud desktop application or your computer, the Files panel goes blank and shows a continuously spinning progress wheel.

Files panel with spinning progress wheel
Files panel | Progress wheel goes on spinning

Solution

Try the solutions below to troubleshoot the issue.

Solution 1

Hold down Ctrl key while pressing 'Quit' button under Preferences. This step kills all the CCDA-related processes together such as Adobe Desktop Service, CoreSync, etc.

Solution 2

Uninstall the Creative Cloud desktop app using the uninstaller available at https://helpx.adobe.com/creative-cloud/help/uninstall-creative-cloud-desktop-app.html, and then reinstall.

No restart of Windows or MAC is required.