Dear, I always failed to download my apps from Mendix studio pro to Mendix stuido pro,the detail is shown below: Mendix.Modeler.ProjectHandling.Checkout.ProjectCheckoutException: Downloading the App failed. at Mendix.Modeler.ProjectHandling.Checkout.ProjectCheckouterUI.<>c__DisplayClass9_0.<AddCheckoutStep>b__0(IProgressInfo info) in C:\jenkins-ci\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.ProjectHandling\Checkout\ProjectCheckouterUI.cs:line 120 at Mendix.Modeler.UIFramework.Progress.ProcessRunner.RunStep(Step step) in C:\jenkins-ci\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.UIFramework\Progress\ProcessRunner.cs:line 83 at Mendix.Modeler.UIFramework.Progress.ProcessRunner.OnDoWork(Object sender, DoWorkEventArgs e) in C:\jenkins-ci\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.UIFramework\Progress\ProcessRunner.cs:line 63 at System.ComponentModel.BackgroundWorker.OnDoWork(DoWorkEventArgs e) at System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument) So are there any other methods to download my app to my local Mendix studio pro. Thanks a lot. BR, Masion.