Hi,
One minidump is insufficient to find out the root cause. Attach more minidumps here if you have. Your minidump is crashed at ks.sys and it is the symptom of hardware problem. Probably the ram is bad. Run memtest to stress test the ram.
BugCheck 1000008E, {c0000005, f7f47f83, ed392bc4, 0}
Probably caused by : ks.sys ( ks!DispatchDeviceIoControl+26 )
STACK_TEXT:
ed392c40 804eeeb1 815955a8 fdd94320 806e4410 ks!DispatchDeviceIoControl+0x26
ed392c50 8057e680 fdd94468 feb333e0 fdd94320 nt!IopfCallDriver+0x31
ed392c64 8057f4e3 815955a8 fdd94320 feb333e0 nt!IopSynchronousServiceTail+0x60
ed392d00 80578038 000003f4 00000330 00000000 nt!IopXxxControlFile+0x5c5
ed392d34 8054060c 000003f4 00000330 00000000 nt!NtDeviceIoControlFile+0x2a
ed392d34 7c90eb94 000003f4 00000330 00000000 nt!KiFastCallEntry+0xfc
WARNING: Frame IP not in any known module. Following frames may be wrong.
01a7fe9c 00000000 00000000 00000000 00000000 0x7c90eb94