Why does app store say unable to download at this time?

Related questions

1. Why are my apps not downloading?
2. Can you block an app from being downloaded?
3. Why does my Google Play store say download pending?
4. Why are my apps waiting?
5. Can you pause iOS update?
6. Why does my phone take so long to download apps?
7. Is it necessary to update apps on Android?
8. How do I fix pending downloads?
9. Why are my Google Apps not updating?
10. Why are my downloads pending?

Tags

1. #restart
2. #message
3. #apple
4. #itunes
5. #error
6. #again
7. #settings
8. #device
9. #automatically
10. #store
11. #download