It is possible that a .dll file may have become corrupted. Could you try downloading the dependencies for version 4.2 again and see if that helps this issue?
We received another report of the same issue from someone else. We will try to keep both posts updated, but I am linking to the other post just so you are aware of it.
@, I just wanted to confirm that you have been able to get past the original error.
@anonymous_user_1768e113, are you seeing the original error message referring to the UnrealBuildTool, or the second error message in Visual Studio that mentioned seeing after reinstalling VS?
Second one, but I managed to solve it. Most Anti-virus detect UnrealBuildTool as a virus, it’s a total false-positive. Adding the folder to the exception list solved it.