Error code

Xbox 0x87E1000C

XBOX0x87E1000C
Game/Platform Error· An error code shown by a game or gaming platform/launcher.

What it means

The console could not verify ownership or entitlement for a game at launch..

How to fix it

  1. Resume or restart the download under My Games & Apps.
  2. uninstall and reinstall the game.
  3. power cycle the console.
  4. check network connection for Xbox Live license verification.

Not affiliated with Xbox. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.