Install Beta or roll back to a previous stable version of your NVIDIA drivers.

Code:
start             end                 module name
fffff880`0f604000 fffff880`10268000   nvlddmkm T (no symbols)           
    Loaded symbol image file: nvlddmkm.sys
    Image path: \SystemRoot\system32\DRIVERS\nvlddmkm.sys
    Image name: nvlddmkm.sys
    Timestamp:        Tue May 20 05:08:44 2014 (537A8EFC)
    CheckSum:         00C1EA41
    ImageSize:        00C64000
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4