BSODs were caused by the Virtual Audio Cable driver which is part of a program, 'Ventrilo'
Update/Remove it. Ventrilo - Download
Code:
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* *
* Bugcheck Analysis *
* *
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Use !analyze -v to get detailed debugging information.
BugCheck D6, {fffff9800ac6f018, 0, fffff8800435fb15, 0}
*** WARNING: Unable to verify timestamp for vrtaucbl.sys
*** ERROR: Module load completed but symbols could not be loaded for vrtaucbl.sys
Could not read faulting driver name
Probably caused by : portcls.sys ( portcls!GetMaxMapRegisters+5 )
DRIVER_PAGE_FAULT_BEYOND_END_OF_ALLOCATION (d6)
N bytes of memory was allocated and more than N bytes are being referenced.
This cannot be protected by try-except.
When possible, the guilty driver's name (Unicode string) is printed on
the bugcheck screen and saved in KiBugCheckDriver.
Arguments:
Arg1: fffff9800ac6f018, memory referenced
Arg2: 0000000000000000, value 0 = read operation, 1 = write operation
Arg3: fffff8800435fb15, if non-zero, the address which referenced memory.
Arg4: 0000000000000000, (reserved)
Debugging Details:
------------------
Could not read faulting driver name
READ_ADDRESS: GetPointerFromAddress: unable to read from fffff80002d14100
fffff9800ac6f018
FAULTING_IP:
portcls!GetMaxMapRegisters+5
fffff880`0435fb15 8b4150 mov eax,dword ptr [rcx+50h]
MM_INTERNAL_CODE: 0
CUSTOMER_CRASH_COUNT: 1
DEFAULT_BUCKET_ID: VERIFIER_ENABLED_VISTA_MINIDUMP
BUGCHECK_STR: 0xD6
PROCESS_NAME: audiodg.exe
CURRENT_IRQL: 0
TRAP_FRAME: fffff88008b45110 -- (.trap 0xfffff88008b45110)
NOTE: The trap frame does not contain all registers.
Some register values may be zeroed or incorrect.
rax=0000000000000000 rbx=0000000000000000 rcx=fffff9800ac6efc8
rdx=0000000000000001 rsi=0000000000000000 rdi=0000000000000000
rip=fffff8800435fb15 rsp=fffff88008b452a8 rbp=fffffa800aa32f00
r8=0000000000000000 r9=0000000000000000 r10=fffff80002f95440
r11=fffff88008b45170 r12=0000000000000000 r13=0000000000000000
r14=0000000000000000 r15=0000000000000000
iopl=0 nv up ei ng nz na pe nc
portcls!GetMaxMapRegisters+0x5:
fffff880`0435fb15 8b4150 mov eax,dword ptr [rcx+50h] ds:fffe:fffff980`0ac6f018=????????
Resetting default scope
LAST_CONTROL_TRANSFER: from fffff80002a8f25c to fffff80002ae2d40
STACK_TEXT:
fffff880`08b44fa8 fffff800`02a8f25c : 00000000`00000050 fffff980`0ac6f018 00000000`00000000 fffff880`08b45110 : nt!KeBugCheckEx
fffff880`08b44fb0 fffff800`02ae0e6e : 00000000`00000000 fffff980`0ac6f018 00000000`00000000 00000000`00000000 : nt! ?? ::FNODOBFM::`string'+0x456cf
fffff880`08b45110 fffff880`0435fb15 : fffff880`0438c9ad fffffa80`0aa32ef0 fffffa80`0a1b9f98 fffffa80`099f3b60 : nt!KiPageFault+0x16e
fffff880`08b452a8 fffff880`0438c9ad : fffffa80`0aa32ef0 fffffa80`0a1b9f98 fffffa80`099f3b60 fffff880`04376110 : portcls!GetMaxMapRegisters+0x5
fffff880`08b452b0 fffff880`0438c1fe : 00000000`00000000 00000000`00000000 00000000`00000000 fffffa80`0abbc260 : portcls!CPortPinWavePci::Init+0x351
fffff880`08b45340 fffff880`0437b0ee : fffffa80`0a1b9f50 00000000`00000000 fffffa80`093461b0 00000000`000007ff : portcls!CPortFilterWavePci::NewIrpTarget+0x1a6
fffff880`08b453c0 fffff880`04381e23 : fffff980`1a58cd30 fffffa80`0982d560 00000000`00000000 00000000`00000018 : portcls!xDispatchCreate+0xfa
fffff880`08b45440 fffff880`043dbeea : fffff980`1a58cd30 fffffa80`0982d560 00000000`00000000 fffff880`00000000 : portcls!KsoDispatchCreateWithGenericFactory+0x2b
fffff880`08b45470 fffff880`043d67a6 : fffff980`1a58cd30 fffffa80`09346000 fffffa80`09346060 00000000`00000000 : ks!DispatchCreate+0x11e
fffff880`08b454c0 fffff880`0437a897 : fffff980`1a58cd30 fffffa80`09346060 00000000`00000000 00000000`00000002 : ks!KsDispatchIrp+0xc6
fffff880`08b454f0 fffff880`0437a064 : 00000000`c000000d 00000000`00000002 fffffa80`09346060 fffff800`02f86c42 : portcls!DispatchCreate+0x67
fffff880`08b45520 fffff880`043518c2 : fffff980`1a58cd30 00000000`00000002 fffffa80`09346060 fffffa80`09774590 : portcls!PcDispatchIrp+0x54
fffff880`08b45550 fffff980`1a58cd30 : 00000000`00000002 fffffa80`09346060 fffffa80`09774590 fffffa80`09346060 : vrtaucbl+0x38c2
fffff880`08b45558 00000000`00000002 : fffffa80`09346060 fffffa80`09774590 fffffa80`09346060 fffff800`02f87c16 : 0xfffff980`1a58cd30
fffff880`08b45560 fffffa80`09346060 : fffffa80`09774590 fffffa80`09346060 fffff800`02f87c16 fffff980`1a58cd30 : 0x2
fffff880`08b45568 fffffa80`09774590 : fffffa80`09346060 fffff800`02f87c16 fffff980`1a58cd30 00000000`00000002 : 0xfffffa80`09346060
fffff880`08b45570 fffffa80`09346060 : fffff800`02f87c16 fffff980`1a58cd30 00000000`00000002 fffff980`1a58cd30 : 0xfffffa80`09774590
fffff880`08b45578 fffff800`02f87c16 : fffff980`1a58cd30 00000000`00000002 fffff980`1a58cd30 fffffa80`09774590 : 0xfffffa80`09346060
fffff880`08b45580 fffff800`02f86c42 : fffff980`1a58cf20 00000000`00000002 fffffa80`0982e8a0 fffffa80`09774590 : nt!IovCallDriver+0x566
fffff880`08b455e0 fffff800`02f87c16 : fffff980`1a58cd30 00000000`00000002 fffffa80`0982e750 00000000`00000000 : nt!ViFilterDispatchGeneric+0x62
fffff880`08b45610 fffff880`02ce7825 : fffff980`1a58cf68 fffff980`1a58cfb0 fffffa80`09837690 fffffa80`0aed2290 : nt!IovCallDriver+0x566
fffff880`08b45670 fffff800`02f87c16 : fffff980`1a58cd30 00000000`00000002 00000000`00000000 fffffa80`09837b80 : ksthunk!CKernelFilterDevice::DispatchIrp+0x11d
fffff880`08b456d0 fffff800`02ddfcd5 : 00000000`00000004 fffffa80`0aad07c8 fffffa80`092e7900 fffffa80`0ab93f40 : nt!IovCallDriver+0x566
fffff880`08b45730 fffff800`02ddc302 : fffffa80`09837b80 fffffa80`00000000 fffffa80`0aad0610 fffffa80`00000001 : nt!IopParseDevice+0x5a5
fffff880`08b458c0 fffff800`02ddd796 : 00000000`00000580 fffffa80`0aad0610 fffff880`08b45ca0 fffffa80`076679f0 : nt!ObpLookupObjectName+0x312
fffff880`08b459b0 fffff800`02ddf09c : 00000000`0000041c 00000000`00000000 fffffa80`00000a01 fffffa80`0a8370e0 : nt!ObOpenObjectByName+0x306
fffff880`08b45a80 fffff800`02de9ce4 : 00000000`0238d6e8 fffff8a0`c0000000 00000000`0238d5e0 00000000`0238d5d0 : nt!IopCreateFile+0x2bc
fffff880`08b45b20 fffff800`02ae1fd3 : fffffa80`0a44bb30 00000000`00000001 fffffa80`0ada32e0 fffff800`02dd9234 : nt!NtCreateFile+0x78
fffff880`08b45bb0 00000000`76d2186a : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiSystemServiceCopyEnd+0x13
00000000`0238d558 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : 0x76d2186a
STACK_COMMAND: kb
FOLLOWUP_IP:
portcls!GetMaxMapRegisters+5
fffff880`0435fb15 8b4150 mov eax,dword ptr [rcx+50h]
SYMBOL_STACK_INDEX: 3
SYMBOL_NAME: portcls!GetMaxMapRegisters+5
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: portcls
IMAGE_NAME: portcls.sys
DEBUG_FLR_IMAGE_TIMESTAMP: 4a5bcc03
FAILURE_BUCKET_ID: X64_0xD6_VRF_portcls!GetMaxMapRegisters+5
BUCKET_ID: X64_0xD6_VRF_portcls!GetMaxMapRegisters+5
Followup: MachineOwner
---------