Build Failed. MonoDroid does not support running the previous version

visual-studio-2012 xamarin xamarin.android mvvmcross
AnthonyV picture AnthonyV · Feb 5, 2014 · Viewed 19.4k times · Source

This is my first Xamarin android project with MVVMCross. Started from scratch. The project builds without any errors but when i try to debug it, i get a build failed: MonoDroid does not support running the previous version. Please ensure your solution builds before running or debugging it.

Build output says: 1>------ Deploy started: Project: Mobile.Droid, Configuration: Debug Any CPU ------ 1>Error: The operation could not be completed ========== Deploy: 0 succeeded, 1 failed, 0 skipped ==========

Ide.log: ERROR [2014-02-05 16:08:08Z]: Could not update jumplists System.InvalidOperationException: The file type is not registered with this application. at Microsoft.WindowsAPICodePack.Taskbar.JumpList.AppendCustomCategories() at Microsoft.WindowsAPICodePack.Taskbar.JumpList.Refresh() at MonoDevelop.Platform.JumpList.UpdateJumpList() at MonoDevelop.Platform.JumpList.OnUpdateTimerEllapsed(Object sender, EventArgs args)

I'm using Visual Studio 2012 (Update 4) Windows 8 Xamarin Studio 4.2.2 Xamarin.Android 4.10.02014

Please help me cause i already spent a day trying to solve this issue.

Answer

AnthonyV picture AnthonyV · Feb 7, 2014

Found the problem, i needed to set my startup project to the android app. I could slap myself, i didn't pay attention to it cause for WP8 it's not needed. Took me a day and half to solve this :-( Once again this proofs that error messages are not always clear in what they mean or say.

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