Lanny says that Windows 10 is not updating properly, and he can't update Adobe Creative Cloud until it works. Leo says to run the Windows installer and select REPAIR. There's a good chance that the caller is dealing with a corrupted update file. The System File Checker should solve that problem. There is also a reset routine within Windows (Windows Key + Recover) that can also address the issue. Worst case, backup your data and reinstall Windows. But that's a last resort.