Translation of background task into Hebrew noun

Unable to start the background tasks. An instance is already running.

In software development, a terminator function is essential for finishing background tasks properly.

To avoid blocking the UI, the event loop runs background tasks asynchronously.

The application runs a subprocess to handle background tasks efficiently.

May by default constantly run on your Device and perform various background tasks that help maintain your Device in working condition.

Windows Phone 8.1 apps can't have background tasks for location tracking. Remove them and then try submitting again.