The Realtek network drivers have caused the 0x9F, if you are using any VPN software then it is recommended to update/reinstall/remove it.
Please update your Realtek network drivers
Driver Reference Table - rt640x64.sys
Code:
DRIVER_POWER_STATE_FAILURE (9f) A driver has failed to complete a power IRP within a specific time. Arguments: Arg1: 0000000000000003, A device object has been blocking an Irp for too long a time Arg2: ffffe0005473b060, Physical Device Object of the stack Arg3: fffff8022f66d990, nt!TRIAGE_9F_POWER on Win7 and higher, otherwise the Functional Device Object of the stack Arg4: ffffe00065e94c10, The blocked IRP  0: kd> !irpffffe00065e94c10Irp is active with 4 stacks 3 is current (= 0xffffe00065e94d70)  No Mdl: No System Buffer: Thread 00000000:  Irp stack trace.        cmd  flg cl Device   File     Completion-Context  [  0, 0]   0  0 00000000 00000000 00000000-00000000                  Args: 00000000 00000000 00000000 00000000  [  0, 0]   0  0 00000000 00000000 00000000-00000000                  Args: 00000000 00000000 00000000 00000000 >[ 16, 2]   0 e1 ffffe0005701a050 00000000 fffff8022d39cb44-ffffe0006b726010 Success Error Cancel pending           Unable to load image SystemRootSystem32drivers
t640x64.sys, Win32 error 0n2 *** WARNING: Unable to verify timestamp for rt640x64.sys *** ERROR: Module load completed but symbols could not be loaded for rt640x64.sysDriver
t640x64    nt!PopSystemIrpCompletion              Args: 00014400 00000000 00000004 00000002  [  0, 0]   0  0 00000000 00000000 00000000-ffffe0006b726010                  Args: 00000000 00000000 00000000 00000000  0: kd> lmvmrt640x64start             end                 module name fffff800`f2480000 fffff800`f2514000   rt640x64 T (no symbols)                Loaded symbol image file: rt640x64.sys     Image path: SystemRootSystem32drivers
t640x64.sys     Image name: rt640x64.sys     Timestamp:        Wed Oct 07 17:03:55 2015(5615345B)     CheckSum:         0009543E     ImageSize:        00094000     Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4
 VPN driver that has caused the 0xC2 crash
Driver Reference Table - SeLow_x64.sys
Code:
*** WARNING: Unable to verify timestamp for SeLow_x64.sys *** ERROR: Module load completed but symbols could not be loaded for SeLow_x64.sys   0: kd> lmvm SeLow_x64start             end                 module name fffff800`99f30000 fffff800`99f37a80   SeLow_x64 T (no symbols)                Loaded symbol image file: SeLow_x64.sys     Image path: SystemRootsystem32DRIVERSSeLow_x64.sys     Image name: SeLow_x64.sys     Timestamp:        Mon Nov 17 14:21:50 2014(5469F66E)     CheckSum:         000179D2     ImageSize:        00007A80     Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4