https://bugs.winehq.org/show_bug.cgi?id=51629
--- Comment #11 from Gijs Vermeulen gijsvrm@gmail.com --- Manually installing .NET will surely cause issues. It is advised to use winetricks to install .NET (or just use wine-mono if possible).
Have a look at: https://wiki.winehq.org/Winetricks https://github.com/Winetricks/winetricks