Windows 8 and 8.1 Forums

Weird random Defender crashes. Help!

  1. #1

    Posts : 191
    Windows 8.1 (Update 1) Pro 64 bit

    Weird random Defender crashes. Help!

    Hey all,

    Since yesterday I got these frequent random crashes of the Antimalware Service Executable that is used by Windows Defender. Now I know that Defender isn't the best antimalware program around but still, this shouldn't be happening. The crash occurs randomly while I'm not using Defender. Also, if I want to scan the system with it, an error eventually shows up saying that Defender cannot scan the system because the service has stopped (???).

    I don't know what the exact cause is of these crashes. Yesterday I did install a Steam game that needed .net Framework 3.5 and its updates, Visual C++ 2005 and Games for Windows Live client (ugh..). However, I can't make a link between any of these programs and the crashes.

    Beneath is the errorlog of the crash (sorry it's in Dutch). I looked for a crashdump but there isn't any.
    Antimalware Service Executable
    Werkt niet meer
    ‎10-‎3-‎2013 13:15
    Verzonden rapport
    Pad naar toepassing met fout: C:\Program Files\Windows Defender\MsMpEng.exe
    Probleem met handtekening
    Naam van probleemgebeurtenis: APPCRASH
    Naam van de toepassing: MsMpEng.exe
    Versie van toepassing: 4.0.9200.16384
    Tijdstempel van toepassing: 5010a938
    Naam van foutmodule: StackHash_9149
    Versie van foutmodule:
    Tijdstempel van foutmodule: 00000000
    Uitzonderingscode: c0000005
    Uitzonderingsmarge: PCH_DB_FROM_ntdll+0x000000000000319B
    Versie van besturingssysteem: 6.2.9200.
    Landinstelling-id: 1043
    Aanvullende informatie 1: 9149
    Aanvullende informatie 2: 914946ab08ec1f46750302a9dd76049b
    Aanvullende informatie 3: 8c8c
    Aanvullende informatie 4: 8c8c06723596ffe07b49a172c4f50ee7
    Extra informatie over het probleem
    Bucket-id: 9e96c8bcb96918d80309c2c949ffdb57 (77715820)

    I'm running Windows 8 Pro 64 bit. Further specs are:
    CPU 3570K
    GTX 660Ti
    8GB RAM
    1TB HDD

    Could anyone please help me with this since I can't scan the system with these crashes.

    Thanks in advance,


      My System SpecsSystem Spec

  2. #2

    Posts : 446
    Win 8 64-bit

    This issue has been resolved with the latest virus definitions (1.145.1490.0 onwards), which is now available via Windows Update. Therefore if you check for Windows updates again it should appear. There's a thread about it here:

    Windows Defender 0x800106ba error
      My System SpecsSystem Spec

  3. #3

    Posts : 12
    Windows 8.1 Pro 64-Bit
      My System SpecsSystem Spec

  4. #4

    Posts : 191
    Windows 8.1 (Update 1) Pro 64 bit

    Thanks a lot guys! Noticed a .1493 version in Windows Update and now the crashes are gone and the scanning is fixed. Should have searched better before posting this. Hopefully Microsoft won't do this again :P
      My System SpecsSystem Spec

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