Question

Q: BSOD - Locale ID: 1033 - BCCode: 4a - Win7 Ultimate 64-bit

  OS Version:    6.1.7601.2.1.0.768.3
  Locale ID:    1033

Additional information about the problem:
  BCCode:    4a
  BCP1:    0000000076FE132A
  BCP2:    0000000000000002
  BCP3:    0000000000000000
  BCP4:    FFFFF88002B07C60
  OS Version:    6_1_7601
  Service Pack:    1_0
  Product:    768_1

Files that help describe the problem:
  C:\Windows\Minidump\031714-49187-01.dmp
  C:\Users\User\AppData\Local\Temp\WER-12861986-0.sysdata.xml

File Identification

File Name     031714-49187-01.dmp     
File Size     256.00KB
File Type     Windows 64bit Memory Dump
MIME Type     application/octet-stream
MD5 Hash     d79aaa15cf6ad71e8743a4afd6064656
SHA1 Hash     b271bc39e5aebd8aa545e82304c8b68b56d2505d
SHA256 Hash     a907f45fd970fa94dab365061b758c5fd84fe91e39924f6484a4302067136a2c

DMP file at: https://my.pcloud.com/#page=publink&code=XZRudZWpuiRqa7c4VbkVhdmxmTSHMzz0uV

Answer

A:

Hi,

The attached DMP file is of the IRQL_GT_ZERO_AT_SYSTEM_SERVICE (4a) bug check.

This indicates that a thread is returning to user mode from a system call when its IRQL is still above PASSIVE_LEVEL.

Bitdefender is known to cause this bug check (0x4A), so please remove and replace BitDefender with Microsoft Security Essentials for temporary troubleshooting purposes as it's very likely causing conflicts:

BitDefender removal - http://www.bitdefender.com/support/how-to-uninstall-bitdefender-333.html

MSE -  http://windows.microsoft.com/en-us/windows/security-essentials-download

Regards,

Patrick

Debugger/Reverse Engineer.

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Views: 3,398 Last updated: April 11, 2018 Applies to: