[Bug 31440] Can't install .NET 4.0 - Installation failed with error code: (0x80070643)

http://bugs.winehq.org/show_bug.cgi?id=31440

--- Comment #3 from Hans Leidekker  2012-08-10 04:55:40 CDT ---
(In reply to comment #2)
> Now it's saying this:
>
> Same or higher version of .NET Framework 4 has already been installed on this
> computer.
>
> Here's what did:
>
> export WINEPREFIX=~/lol
> wine uninstaller --remove '{E45D8920-A758-4088-B6C6-31DBB276992E}'
> WINEDLLOVERRIDES=fusion=b wine dotNetFx40_Full_x86_x64.exe
>
> Correct?

Looks like Wine Mono was not properly removed. Is it listed if you run
"wine uninstaller"?