Blue screen, PC rarely boots properly

Hi, two days ago I recently installed a new graphics card into my computer. it's a nvidia geforce gtx 550 ti.

The first time I booted my system it worked great. No problems at all. Then I put my computer into sleep mode, went to work, and came home to "windows has recovered from an error"

Here's the error:

Code:

Problem signature:
  Problem Event Name:	BlueScreen
  OS Version:	6.1.7601.2.1.0.768.3
  Locale ID:	1033

Additional information about the problem:
  BCCode:	116
  BCP1:	FFFFFA800ACBE4E0
  BCP2:	FFFFF88015222530
  BCP3:	0000000000000000
  BCP4:	0000000000000002
  OS Version:	6_1_7601
  Service Pack:	1_0
  Product:	768_1

Files that help describe the problem:
  C:\Windows\Minidump\072014-17066-01.dmp
  C:\Users\jamie\AppData\Local\Temp\WER-30732-0.sysdata.xml

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  C:\Windows\system32\en-US\erofflps.txt

I restarted my PC, and now it won't boot. It loads up, loads the windows logo, then the lights on my mouse/keyboard turn off and my computer restarts itself over and over.

The only way I'm able to boot it is by going into safe mode.

Any ideas on why this is happening? My current driver version is 9.18.13.3788

please help