The Windows Sandbox error 0x80070015 The device is not ready disrupts the normal functioning of Windows Sandbox. Find the effective fixes here.

When Windows Store cache becomes larger, minor issues can occur in this case getting error code 0x80070015. To fix this, you may need to reset Windows Store cache.

Error 0x80070015 can occur if the operation has not been initialized correctly. It can occur in Windows Update, Microsoft Store, Installation, Defender, etc.