You might run into the User Profile Service Event ID 1534 Error.
Spamming your Event Viewer log, like this …
GUID refers to the tileobjserver and probably tiledatasvc.
It seems that tiledatasvc was removed in 1809 Upgrade. The removal of the Reg Keys is manual clean-up going forward.
Open the registry and go to :
Check the GUID in the the CLSID Reg Key
Next go to :
Export these TLD Keys and next DELETE it.
Reboot the PC and check again.