Followed installation instruction from http://fsharp.org/use/windows/ to install F# using option #2. Installation was not smooth (could be because of my internet connection). Retried several times with few workarounds (delete corrupted files, install files manually, etc). Tried to create a new F# project with all default values, running it failed with the message Build failed. MSBuild operation failed Build: 1 error, 0 warnings Took me several days (tried several minutes a day to check logs, tweak settings, etc). Finally found a workaround. In Project | [project] Options | Main Settings , ensure that " Use MSBuild build engine (recommended for this project type) is unchecked . Tags: F# Xamarin Studio Windows 8.1
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