Apps are disabled on this site.

Error:

 ErrorDetail: Apps are disabled on this site.
        ErrorType: Configuration
        ErrorTypeName: Configuration
        ExceptionMessage: Microsoft.SharePoint.SPException: Apps cannot be installed. Review the diagnostic logs for more details regarding app deployment failures.
   at Microsoft.SharePoint.Utilities.SPUtility.ThrowSPExceptionWithTraceTag(UInt32 tagId, ULSCat traceCategory, String resourceId, Object[] resourceArgs)
   at Microsoft.SharePoint.Packaging.SPUserCodeSolutionDeploymentGroup.Deploy()
   at Microsoft.SharePoint.Administration.SPAppTask.DeployOperation()
   at Microsoft.SharePoint.Lifecycle.MonitoredTaskExecution.DoTask()
        Source: AppWeb
        SourceName: App Web Deployment
Error occurred in deployment step 'Install app for SharePoint': Failed to install app for SharePoint. Please see the output window for details.


Reason:
You will get this error when you are trying to deploy your SharePoint 2013 "app" through visual studio.The reason behind this error is you might not created the "App domains" for your application.

Solution:
To create the "App domain",  please refer my another post in the below URL:

http://sensoft2000-sharepoint.blogspot.in/2014/10/the-subscription-settings-service-and.html


Thats it...