** System Information **
Operating system and graphics card - I have windows 8.1. Graphics card amd radeon hd 7670 m
Blender version 2.69 ****
Failed: (example: 2.69.7 4b206af see the splash screen)
He: (optional)
Brief description ** error ** when moving object appears black spots on the screen
** The exact steps for others to reproduce the error **
Based on the (possibly straight) attached. Blend with a minimum number of steps