for me dont work , but i found another solution , in case it can help someone , in my case , in the folder " C:\Users\myuser\AppData\Local\UnrealEngine\Common " pointed to a route that does not exist (from a previous installation),the solution was , open a CMD like Administrator and with ren , rename the folder UnrealEngine for UnrealEngine2 for example “ren C:\Users\myuser\AppData\Local\UnrealEngine C:\Users\myuser\AppData\Local\UnrealEngine2” change “myuser” for you user , when you open Unrealengine , this will download all the files again and reset the config.
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