Symptoms
Unable to Execute SharePoint registration wizard due to infinite spinner.
Diagnoses
When we are attempting to run the K2 SharePoint app registration wizard from within the SP app catalogue Script errors are present in browser debug tools.
Resolution
Changing the following in the Designer and runtime web.config resolved the issue:
andltadd key="UseBundledFiles" value="false" /andgt
andltadd key="Forms.PostRenderCombining.Enabled" value="false" /andgt