A system crash (blue screen) occurs on Windows Server 2008 R2 with the system crash dump points at McAfee VSE 8.8.

The cited driver in the dump is MFEWFPK.sys, which is a network WFP filter driver used by VirusScan Enterprise on Windows Vista and later operating systems.

Example Stack Text:

DRIVER_IRQL_NOT_LESS_OR_EQUAL (d1)
An attempt was made to access a pageable (or completely invalid) address at an
interrupt request level (IRQL) that is too high.  This is usually
caused by drivers using improper addresses.
If kernel debugger is available get stack backtrace.
Arguments:
Arg1:
Arg2:
Arg3:
Arg4:

fffffa60`0191a108 fffff800`0186e22e : 00000000`0000000a fffff980`1defafd0 00000000`00000002 00000000`00000000 : nt!KeBugCheckEx
fffffa60`0191a110 fffff800`0186d10b : 00000000`00000000 fffff800`01c6c39a 00000000`00000000 fffffa60`0191a838 : nt!KiBugCheckDispatch+0x6e
fffffa60`0191a250 fffffa60`036537a7 : fffffa60`0191a838 fffff980`1e9f8db0 fffff980`1defaf90 fffff980`02700f50 : nt!KiPageFault+0x20b
fffffa60`0191a3e0 fffffa60`03653f17 : fffffa60`0191a930 fffffa60`0191a930 fffffa60`0191a838 fffffa80`06216060 : mfewfpk (VALUE DELETED FROM THIS KB)
fffffa60`0191a450 fffffa60`00a0fd5e : fffffa80`0495af10 fffffa60`0191a930 fffffa60`0191a838 fffffa80`05f180e0 : mfewfpk (VALUE DELETED FROM THIS KB)
fffffa60`0191a490 fffffa60`010ec502 : 00000000`00000018 fffffa60`0191a828 fffffa80`04467110 fffffa80`03c25a60 : NETIO!KfdClassify+0x2ae
fffffa60`0191a7f0 fffffa60`010a0801 : 00000000`00000000 fffffa60`0191b070 00000000`00000018 fffffa60`0191b070 : tcpip!WFPDatagramDataShimV4+0x3d2

Example Stack Text:

BAD_POOL_CALLER (c2)
The current thread is making a bad pool request.  Typically this is at a bad IRQL level or double freeing the same allocation, etc.
Arguments:
Arg1: 0000000000000007, Attempt to free pool which was already freed
Arg2: 000000000000109b, (reserved)
Arg3: 0000000004030005, Memory contents of the pool block
Arg4: fffffa800fcf5460, Address of the block of pool being deallocated

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

POOL_ADDRESS:  fffffa800fcf5460 Nonpaged pool

FREED_POOL_TAG:  MFE0

BUGCHECK_STR:  0xc2_7_MFE0

DEFAULT_BUCKET_ID:  WIN7_DRIVER_FAULT

PROCESS_NAME:  System

CURRENT_IRQL:  2

LAST_CONTROL_TRANSFER:  from fffff80001bfdbe9 to fffff80001ac9c40

STACK_TEXT: 
fffff880`06e50b28 fffff800`01bfdbe9 : 00000000`000000c2 00000000`00000007 00000000`0000109b 00000000`04030005 : nt!KeBugCheckEx
fffff880`06e50b30 fffff880`01b59e2e : fffff880`01b5d490 fffff880`01b60000 fffffa80`06fac360 fffff880`06e50d80 : nt!ExDeferredFreePool+0x1201
fffff880`06e50be0 fffff880`01b4491a : fffff880`06e50c20 fffffa80`06e7a840 fffff880`06e50d80 00000000`00000004 : mfewfpk!!<Value been deleted from this article>
fffff880`06e50c10 fffff880`01b44abe : fffffa80`0d1a9350 fffff880`06e50d80 fffffa80`111d7038 fffff880`01b52255 : mfewfpk!!<Value been deleted from this article>
fffff880`06e50c40 fffff880`01b44cfb : 00000000`00000001 fffffa80`06e689d8 00000000`00000000 fffff880`01b5682a : mfewfpk!!<Value been deleted from this article>
fffff880`06e50c70 fffff880`01b44f62 : fffffa80`12318010 fffffa80`06e79f80 00000000`00000000 fffffa80`06e689b0 : mfewfpk!!<Value been deleted from this article>
fffff880`06e50ca0 fffff880`01b45379 : fffffa80`12318010 fffff880`01b64200 fffffa80`12318010 fffff880`06e51440 : mfewfpk!!<Value been deleted from this article>
fffff880`06e50cd0 fffff880`01b47686 : fffffa80`06e7a840 fffffa80`12318010 ffffffff`ffffffff fffff880`01b5d490 : mfewfpk!<Value been deleted from this article>
fffff880`06e50d00 fffff880`00e1daaf : fffffa80`0ae32ed0 fffff880`06e51400 fffff880`06e51430 00000000`00000000 : mfewfpk!<Value been deleted from this article>
fffff880`06e50e10 fffff880`00e05efc : fffffa80`0ae3003e fffff880`06e513d0 fffff880`06e51400 00000000`00000000 : NETIO! ?? ::FNODOBFM::`string'+0x7277
fffff880`06e50f30 fffff880`0198ca10 : 00000000`00000002 fffff880`06e513d0 fffffa80`0000000c 00000000`00000000 : NETIO!KfdClassify+0x24c
fffff880`06e512a0 fffff880`0195e692 : 00000000`00000000 fffffa80`107b5010 fffffa80`06f55080 00000000`00000000 : tcpip! ?? ::FNODOBFM::`string'+0xd12a
fffff880`06e51600 fffff880`0195ec8a : fffffa80`00000000 fffff880`00000000 00000000`00000000 00000000`00000018 : tcpip!WfpAleEndpointTeardownHandler+0x102
fffff880`06e51630 fffff880`0195f051 : fffffa80`107b5010 fffffa80`06f07830 00000000`00000001 00000000`00000001 : tcpip!UdpCleanupEndpointWorkQueueRoutine+0xaa
fffff880`06e51680 fffff880`014b93dc : fffffa80`0d1d43e0 fffff880`018f6343 fffffa80`10524550 fffffa80`0d1d43e0 : tcpip!UdpCloseEndpoint+0xa1
fffff880`06e51700 fffff880`014b4283 : fffffa80`0d1d43e0 fffffa80`0d1d43e0 fffffa80`0d1d43e0 fffff8a0`00001910 : tdx! ?? ::FNODOBFM::`string'+0x2ff8
fffff880`06e517d0 fffff880`014b4b2d : fffffa80`069e8040 fffff800`01adac81 fffffa80`06f08db0 00000000`00000290 : tdx!TdxDeleteTransportAddress+0x63
fffff880`06e51810 fffff800`01dd55ff : fffffa80`06a07b40 fffffa80`069e8040 00000000`00000000 fffffa80`0f7ec070 : tdx!TdxTdiDispatchCleanup+0x4bd
fffff880`06e518b0 fffff800`01dc43b4 : 00000000`00000001 fffffa80`0c331460 00000000`000007f8 fffff800`00000000 : nt!IopCloseFile+0x11f
fffff880`06e51940 fffff800`01dc4171 : fffffa80`0c331460 fffffa80`00000001 fffff8a0`00001910 00000000`00000000 : nt!ObpDecrementHandleCount+0xb4
fffff880`06e519c0 fffff800`01dc4734 : 00000000`00003edc fffffa80`0c331460 fffff8a0`00001910 00000000`00003edc : nt!ObpCloseHandleTableEntry+0xb1
fffff880`06e51a50 fffff800`01ac8ed3 : fffffa80`0c8e7310 fffff880`06e51b20 00000000`00000000 00000000`00000000 : nt!ObpCloseHandle+0x94
fffff880`06e51aa0 fffff800`01ac5490 : fffff880`05cbe967 00000000`00000008 fffffa80`0ede3080 00000000`00000000 : nt!KiSystemServiceCopyEnd+0x13
fffff880`06e51c38 fffff880`05cbe967 : 00000000`00000008 fffffa80`0ede3080 00000000`00000000 fffffa80`0beda2e0 : nt!KiServiceLinkage
fffff880`06e51c40 fffff880`05cbfe79 : 00000000`00000001 fffffa80`0ede3150 fffff880`05cd7a40 00000000`00000008 : RtcMRDrv+0x1f967
fffff880`06e51c90 fffff880`05cc501b : 000007e8`e7059a00 0000086a`00000000 00000000`00000000 fffff880`05cd7a00 : RtcMRDrv+0x20e79
fffff880`06e51cc0 fffff800`01d6a34a : 00000000`00000000 fffffa80`0c8e7310 00000000`00000080 fffffa80`0c331460 : RtcMRDrv+0x2601b
fffff880`06e51d40 fffff800`01aba946 : fffff800`01c45e80 fffffa80`0c8e7310 fffff800`01c53cc0 00000000`00000000 : nt!PspSystemThreadStartup+0x5a
fffff880`06e51d80 00000000`00000000 : fffff880`06e52000 fffff880`06e4c000 fffff880`06e50910 00000000`00000000 : nt!KiStartSystemThread+0x16