Blue screen after starting Valorant

Question

Blue screen after starting Valorant

Anonymous

After running the video game valorant, I had a bluescreen so I looked for the reason on the minidump file and that is the bugchek analysis :

3: kd> !analyze -v
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*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
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SECURE_PCI_CONFIG_SPACE_ACCESS_VIOLATION (1ea)
The access to the PCI config space region from VTL0 by directly mapping the
PCI MCFG range is prohibited because secure PCI is enabled.
Arguments:
Arg1: 00000000000000b7, Opcode that caused the exception.
Arg2: 0000000000000000, RID of the device that caused the exception.
Arg3: 0000000000000000, Config space access offset.
Arg4: fffff80572e52e3e, Address of the instruction that caused the exception.

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

KEY_VALUES_STRING: 1

    Key  : Analysis.CPU.mSec
    Value: 187

    Key  : Analysis.DebugAnalysisManager
    Value: Create

    Key  : Analysis.Elapsed.mSec
    Value: 7525

    Key  : Analysis.IO.Other.Mb
    Value: 5

    Key  : Analysis.IO.Read.Mb
    Value: 0

    Key  : Analysis.IO.Write.Mb
    Value: 31

    Key  : Analysis.Init.CPU.mSec
    Value: 62

    Key  : Analysis.Init.Elapsed.mSec
    Value: 41440

    Key  : Analysis.Memory.CommitPeak.Mb
    Value: 99

    Key  : Bugcheck.Code.DumpHeader
    Value: 0x1ea

    Key  : Bugcheck.Code.Register
    Value: 0x1ea

    Key  : Dump.Attributes.AsUlong
    Value: 1808

    Key  : Dump.Attributes.DiagDataWrittenToHeader
    Value: 1

    Key  : Dump.Attributes.ErrorCode
    Value: 0

    Key  : Dump.Attributes.KernelGeneratedTriageDump
    Value: 1

    Key  : Dump.Attributes.LastLine
    Value: Dump completed successfully.

    Key  : Dump.Attributes.ProgressPercentage
    Value: 0

FILE_IN_CAB:  041523-15718-01.dmp

TAG_NOT_DEFINED_202b:  *** Unknown TAG in analysis list 202b

DUMP_FILE_ATTRIBUTES: 0x1808
  Kernel Generated Triage Dump

BUGCHECK_CODE:  1ea

BUGCHECK_P1: b7

BUGCHECK_P2: 0

BUGCHECK_P3: 0

BUGCHECK_P4: fffff80572e52e3e

BLACKBOXBSD: 1 (!blackboxbsd)

BLACKBOXNTFS: 1 (!blackboxntfs)

BLACKBOXPNP: 1 (!blackboxpnp)

BLACKBOXWINLOGON: 1

CUSTOMER_CRASH_COUNT:  1

PROCESS_NAME:  vgc.exe

TRAP_FRAME:  fffff7a880002094 -- (.trap 0xfffff7a880002094)
Unable to read trap frame at fffff7a8`80002094

STACK_TEXT:  
ffffa587`72916008 fffff805`564786c8     : 00000000`000001ea 00000000`000000b7 00000000`00000000 00000000`00000000 : nt!KeBugCheckEx
ffffa587`72916010 fffff805`5621207e     : 00000000`c0000000 ffffa587`729169a0 00000000`00000001 ffffa587`72916110 : nt!KiPreprocessFault+0x2660ec
ffffa587`729160e0 fffff805`5643eafc     : 00000000`00000000 ffffbdde`ef77b7f8 fffff7a8`80002094 ffffbdde`ea002130 : nt!KiDispatchException+0x2ce
ffffa587`729167c0 fffff805`56439464     : 00000000`00000000 fffff804`32e40000 00000000`00000000 00000000`00000000 : nt!KiExceptionDispatch+0x13c
ffffa587`729169a0 fffff805`72e52e3e     : fffff805`73091395 00000000`00000000 00000000`0000ffff 00000000`00000000 : nt!KiSegmentNotPresentFault+0x364
ffffa587`72916b38 fffff805`73091395     : 00000000`00000000 00000000`0000ffff 00000000`00000000 00000000`00000101 : vgk+0x12e3e
ffffa587`72916b40 00000000`00000000     : 00000000`0000ffff 00000000`00000000 00000000`00000101 80000000`0000097b : vgk+0x251395

SYMBOL_NAME:  vgk+12e3e

MODULE_NAME: vgk

IMAGE_NAME:  vgk.sys

STACK_COMMAND:  .cxr; .ecxr ; kb

BUCKET_ID_FUNC_OFFSET:  12e3e

FAILURE_BUCKET_ID:  0x1EA_vgk!unknown_function

OSPLATFORM_TYPE:  x64

OSNAME:  Windows 10

FAILURE_ID_HASH:  {d0ee342c-814b-5aa3-3cd7-db83df044742}

Followup:     MachineOwner
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3 answers

Answer 1

Hi Maxime,

Thanks for updating me.

The issue is caused by the anti-cheat engine. I see many users have the same problem. This anti-cheat engine may not be compatible with your Windows version or may be corrupted. Therefore, it is best to reinstall it or ask their developers to provide you with a stable one.

Please feel free to ask if you have more questions.

Stay safe

Answer 2

Hi Dyaria,

Thank you for you answer. My PC is stable but my probleme is when I start the game I have a bluescreen. I already asked the Riot Support but they didn't find how to solve it. I turn to you because I know that Riot Vanguard have access to Windows kernel core.

PS : sorry for my english I am not native english speaker.

Answer 3

Hi Maxime,

I'm Dyari. Thanks for reaching out. I will be happy to assist you in this regard.

The minidump file indicates vgk.sys as a cause of the BSOD which is related to the Riot Vanguard anti-cheat component for Valiant.

If you do have it installed on your computer, kindly uninstall it and check to see if your computer is stable or not. Then you can download and install a stable version.

https://support-valorant.riotgames.com/hc/en-us...

Please feel free to ask if you need further assistance.

Stay safe

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Blue screen after starting Valorant

3 answers