This is a known issue when you are running the Windows App in a Unix or Linux environment. See http://docs.splunk.com/Documentation/WindowsApp/latest/User/Releasenotes. "Under certain conditions, multiple modal dialogs that contain erroneous (such as 'Unsupported configuration') or no information are displayed. You might see these dialogs appear if you install the full Windows app on an instance that already has the TA installed, or if you install the latest app on a Splunk instance running on *nix. To work around the problem, install the previous version of the app." ... View more