https://bugs.winehq.org/show_bug.cgi?id=48290
--- Comment #2 from sahelanthropus 3dw_50ssu16amyn7@byom.de --- Note that installing dotnet45 or vcrun2008 sets the Windows version to another value and isn't restored, so setting the os version to Win 7 or higher is required to install SharpDevelop.
Also the key to compile and run with debugger is F5 instead of F9.