This pops up over and over.

[Max_Cajun6909]

I have unistalled beta, this pops up over and over. 

[c.pfaffenbichler]

Do I understand correctly that this is unrelated to Photoshop but affects the CC app? 

If the issue persists you could try uninstalling and using the cleaner tool befor re-installing. 

https://helpx.adobe.com/creative-cloud/kb/cc-cleaner-tool-installation-problems.html

[Ares Hovhannesyan]

Try manually deleting preferences, unistall/install again

https://helpx.adobe.com/photoshop/using/preferences.html#:~:text=original%20location.-,MANUALLY,-Man...