General Questions

How do I set Mono Runtime environment variables for iOS projects in Xamarin Studio?

If you need to set any runtime environment variables for Mono, they can be set in the Project Options > Run > General page.

How do I setup a local Subversion repository using Xamarin Studio on OS X?

To work with a Subversion (SVN) version control in Xamarin Studio (Mac), you can use the steps in this guide to connect your project to an svn repository on your local machine.

Why does Xamarin Studio revert to MonoDevelop?

This error can occur when Xamarin Studio fails to load key add-ins. MonoDevelop appears because it's the foundation underneath Xamarin Studio.

Xamarin Studio for Windows Questions

Why doesn't Xamarin Studio for Windows open iOS or WinPhone projects?

Xamarin Studio Windows doesn't currently support either of these project types.

Xamarin Studio fails to start on Windows due to security settings

If the logs contains an error such as: Some of the assemblies required to run Xamarin Studio (for example gtk-sharp) may not be properly installed in the GAC; then the security settings on the workstation are most likely set to require FIPS-compliant encryption.

Xamarin Studio doesn't install Xamarin.Forms package

This typically happens when Visual Studio is not installed. Visual Studio 2013 Update 2 & higher versions automatically install Microsoft's .NET Framework. Xamarin Studio for Windows uses the .NET Framework to install the Portable Class Libraries. This guide covers how to manually install PCLs.