LG UP not Working / cannot connect to PC suite / no OTA becaus of King root

Hello I rootet my H440N with king root and tried OTA update but it did not working because of root. Uninstall root changed noting...
I cannot even connect to suit becaus the option in USB menu for that is missing...

LG UP dont find my LG i Getting the error that no handset is connected... what can I do`?

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