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Windows 7: BSOD after sitting idle

23 Mar 2016   #1

Windows 7 professional 64 Bit
BSOD after sitting idle

Hi, im new to the forum. I have been having a BSOD when i come back after letting the PC sleep. I check the dump files and this is what im looking at:
Use !analyze -v to get detailed debugging information.

BugCheck 1A, {41790, fffffa800a227570, ffff, 0}

Probably caused by : ntkrnlmp.exe ( nt! ?? ::FNODOBFM::`string'+33854 )

Followup: MachineOwner

4: kd> !analyze -v
* *
* Bugcheck Analysis *
* *

# Any other values for parameter 1 must be individually examined.
Arg1: 0000000000041790, The subtype of the bugcheck.
Arg2: fffffa800a227570
Arg3: 000000000000ffff
Arg4: 0000000000000000

Debugging Details:

BUGCHECK_STR: 0x1a_41790



PROCESS_NAME: svchost.exe


LAST_CONTROL_TRANSFER: from fffff80002cfdc20 to fffff80002c8d080

fffff880`05541818 fffff800`02cfdc20 : 00000000`0000001a 00000000`00041790 fffffa80`0a227570 00000000`0000ffff : nt!KeBugCheckEx
fffff880`05541820 fffff800`02c79b7f : fffffa80`00000000 00000000`2c7dffff 00000000`00000000 00000000`00000000 : nt! ?? ::FNODOBFM::`string'+0x33854
fffff880`055419e0 fffff800`02c8c313 : ffffffff`ffffffff 00000000`0b0af838 00000000`0b0af830 00000000`00008000 : nt!NtFreeVirtualMemory+0x61f
fffff880`05541ae0 00000000`77b5d59a : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiSystemServiceCopyEnd+0x13
00000000`0b0af7f8 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : 0x77b5d59a


nt! ?? ::FNODOBFM::`string'+33854
fffff800`02cfdc20 cc int 3


SYMBOL_NAME: nt! ?? ::FNODOBFM::`string'+33854



IMAGE_NAME: ntkrnlmp.exe


FAILURE_BUCKET_ID: X64_0x1a_41790_nt!_??_::FNODOBFM::_string_+33854

BUCKET_ID: X64_0x1a_41790_nt!_??_::FNODOBFM::_string_+33854

system consists of:
i7 4790K
Asus ROG Hero Vi Z87
16GB G.Skill DDR3 2x8
1x1TB WD Black
120GB Hyper-X SSD

My System SpecsSystem Spec
24 Mar 2016   #2

Windows 7 professional 64 Bit

any ideas?
My System SpecsSystem Spec
24 Mar 2016   #3

Windows 7 professional 64 Bit

now it did right on startup after windows loaded. I have ran windows memory diagnostic tool and it shows nothing wrong.
My System SpecsSystem Spec


 BSOD after sitting idle

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