KB4078130 Update to Disable Mitigation against Spectre, Variant 2

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  1. Posts : 1,561
    Windows 10 Home 20H2 64-bit
       #10

    Glad I didn't touch any of the microcookies from Intel then.
      My Computer


  2. Posts : 803
    Windows 10 Enterprise x64 19044.1737
       #11

    The update changes the "FeatureSettingsOverride" setting from 0 to 1.

    Code:
    Windows Registry Editor Version 5.00
    
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management]
    "FeatureSettingsOverride"=dword:00000001
    "FeatureSettingsOverrideMask"=dword:00000003
    
    ; 3 = Disable both
    ; 2 = Disable meltdown (Kernel VA Shadow)
    ; 1 = Disable spectre (Branch Target Injection)
    ; 0 = Enable both
    ;
    ; FeatureSettingsOverrideMask is always 3
      My Computer


  3. Posts : 27,492
    Windows 10 Pro x64 Version 21H1
       #12

    Thanks. I just checked and both dwords are set to 1.
      My Computer


  4. Posts : 853
    Windows 10 Pro 21H1 build 19043.1706
       #13

    Not updating anything else until the likes of Intel and Microsoft can demonstrate that they actually know what they doing, which so far I'm seeing little signs of.
      My Computers


  5. Posts : 27,492
    Windows 10 Pro x64 Version 21H1
       #14

      My Computer


  6. Posts : 1,191
    Windows 11 Pro x64
       #15

    Polo6RGTI said:
    The update changes the "FeatureSettingsOverride" setting from 0 to 1.

    Code:
    Windows Registry Editor Version 5.00
    
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management]
    "FeatureSettingsOverride"=dword:00000001
    "FeatureSettingsOverrideMask"=dword:00000003
    
    ; 3 = Disable both
    ; 2 = Disable meltdown (Kernel VA Shadow)
    ; 1 = Disable spectre (Branch Target Injection)
    ; 0 = Enable both
    ;
    ; FeatureSettingsOverrideMask is always 3
    Hah! I wondered what it did. Suspected this since it appeared to do nothing when I ran the executable.
    I had already disabled that Spectre variant through the registry when word first same out.
      My Computers


  7. Posts : 39
    Windows 10
       #16

    I downloaded it and then tried to open the downloaded file, but nothing happened. What do I need to do after I download it?
      My Computer


  8. Posts : 1,191
    Windows 11 Pro x64
       #17

    ChristineL said:
    I downloaded it and then tried to open the downloaded file, but nothing happened. What do I need to do after I download it?
    Apparently all it does is change a registry setting, and it probably did that.
      My Computers


  9. Posts : 2,663
    Windows 11 21H2 (22000.593)
       #18

    I've got Meltdown patches in place now, according to InSpectre, but not Spectre patches. So, I have no need to install this in the first place.
      My Computers


  10. Posts : 2,557
    Windows 10 pro x64-bit
       #19

    johngalt said:
    I've got Meltdown patches in place now, according to InSpectre, but not Spectre patches. So, I have no need to install this in the first place.
      My Computers


 

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