To enable debug tracing of background tasks, use the following steps:
⦁ Open event viewer by pressing the Windows button and searching for eventvwr.exe.
⦁ Go to Application and Services Logs -> Microsoft -> BackgroundTaskInfrastructure in the event viewer.
⦁ In the actions pane, select View-> Show Analytic and Debug Logs to enable the diagnostic logging.
⦁ Select the Diagnostic log and click Enable Log.
⦁ Now try activating the background tasks again.
⦁ View the Diagnostic logs for detailed error information.
具体的描述，BackgroundTask.Class1就是我的EntryPoint。