You have a hardware error (0x124). Read the following thread and see if any of it's fixes work. Stop 0x124 - what it means and what to try
As mentioned in the above post, do the following hardware stress tests:
Test your video card using Furmark. Watch your machine's temps and stop the test if it starts to overheat or artifacts appear on the screen. Video Card - Stress Test with Furmark
Test your hardware using Prime95. Watch your machine's temps and stop the test if it starts to overheat. Let it run for up to 2 hours or until errors have been found. Hardware - Stress Test With Prime95
Test your RAM using Memtest86+. Let it run until 6-8 passes have completed or errors have been found. RAM - Test with Memtest86+
If you are overclocking, STOP. Reset any changed values back to default.