Latest dump indicates a problem with your Nvidia GeForce GTX 660
You have driver version 368.39 which is the latest available from Nvidia.
ffffd001`ff807088 fffff801`550fb102Unable to load image \SystemRoot\system32\DRIVERS\nvlddmkm.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for nvlddmkm.sys
*** ERROR: Module load completed but symbols could not be loaded for nvlddmkm.sys
I don't know if this will help or not but worth trying.
Use DDU (as you mentioned) to completely uninstall the Nvidia driver.
Download and install a new copy from the Nvidia website here: GeForce Game Ready Driver