Its says :

A problem has been detected and windows has been shut down to prevent damage to your computer.
If this is the first time you’ve seen this stop error screen,restart your computer.If this screen appears again, follow these steps: Run a system diagnostic utility supplied by your hardware manufacturer. In particular , rune a memory check, and check for fault your mismatched memory. Try changing video adapters.
Disable or remove and newly installed hardware and drivers.Disable or remove and newly installed software.If you need safe mode to remove of disable components,restart your computer,press f8 to select advanced start up options,and then select safemode.
Technical information: ***Stop:0x0000007f(00000008,0×80042000,0…
beginning dump of physical memory