bsob buffer overrun

I keep getting this blue screen 3-4 times per day, I can make it crash by running the Trend micro scan on the C:

I have ran memtest on both modules of ram,  ran spybot fully, everytime I run the checkdisk I get errors but that seems normal after the crash.  I have also tried running bittdefender's online scan in safe mode and it crashed as well.

The trendmicro scan program name is pccnt, it is referenced in the minidump, I think it is only listed because it was running at the time.  On a sidenote, I cannot seem to uninstall or install spyware doctor as it was loaded on the computer about 5 days ago.

Minidump File:

variable(s).
Arguments:
Arg1: 00000032, Actual security check cookie from the stack
Arg2: 0000bc27, Expected security check cookie
Arg3: ffff43d8, Complement of the expected security check cookie
Arg4: 00000000, zero

Debugging Details:
------------------




DEFAULT_BUCKET_ID:  GS_FALSE_POSITIVE_MISSING_GSFRAME

SECURITY_COOKIE:  Expected 0000bc27 found 00000032

CUSTOMER_CRASH_COUNT:  5

BUGCHECK_STR:  0xF7

PROCESS_NAME:  pccnt.exe

LAST_CONTROL_TRANSFER:  from babe1f10 to 804f9f13

STACK_TEXT:  
a666aa2c babe1f10 000000f7 00000032 0000bc27 nt!MmDeleteKernelStack+0x8b
WARNING: Frame IP not in any known module. Following frames may be wrong.
a666aa4c babe164e 01707c08 00000000 01707c34 0xbabe1f10
a666ad44 805409ac 01707c34 00100001 01707bd8 0xbabe164e
a666ad64 7c90eb94 badb0d00 01707bb4 00000000 nt!RtlIpv6StringToAddressW+0xe9
a666ad74 00000000 00000000 00000000 00000000 0x7c90eb94


STACK_COMMAND:  kb

FOLLOWUP_IP:
nt!MmDeleteKernelStack+8b
804f9f13 5d              pop     ebp

SYMBOL_STACK_INDEX:  0

SYMBOL_NAME:  nt!MmDeleteKernelStack+8b

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: nt

DEBUG_FLR_IMAGE_TIMESTAMP:  45e5484a

IMAGE_NAME:  memory_corruption

FAILURE_BUCKET_ID:  0xF7_MISSING_GSFRAME_nt!MmDeleteKernelStack+8b

BUCKET_ID:  0xF7_MISSING_GSFRAME_nt!MmDeleteKernelStack+8b

Followup: MachineOwner
---------


Please help!  Any ideas?
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