If you’re using Internet Explorer on a Windows system, you may have a network issue. Setting auto-detection of LAN settings may solve them.
The Creative Cloud desktop app manages your account information using the Windows Management Instrumentation (WMI) service. If this service is not running, your sign-in credentials will become invalid after some time has passed. By ensuring that the winmgmt service is running, your desktop app sign-in will work continuously.
For more information on how to start the WMI service, see the following Microsoft documentation:
Adobe apps must store and retrieve license information on your computer. Occasionally, an app is unable to store or retrieve this information because of issues in the license storage on your computer.
Follow these steps to resolve this issue.
The Creative Cloud desktop app is critical for working with Adobe apps, but if you’re having problems installing apps because it has been corrupted, you should uninstall and reinstall it to fix the problem.