How to block Specter Variant 2 Patch on Windows 10

Microsoft has released a Windows 10 KB4078130 update to disable patches for two Meltdown and Specter vulnerabilities that caused a reboot problem on some devices. However, if you do not want to waste storage space, users can manually adjust without downloading additional KB4078130 according to the instructions below.

Activate Specter Variant 2 patch:

First you need to open CMD as Administrator and enter the following two commands:

reg add 'HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerMemory Management' / v FeatureSettingsOverride / t REG_DWORD / d 0 / f

reg add 'HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerMemory Management' / v FeatureSettingsOverrideMask / t REG_DWORD / d 1 / f

1. Instructions to open Command Prompt under Admin on Windows 8 and 10

Then restart the device.

Turn off the Specter Variant 2 patch to preserve efficiency and more stability:

Open CMD as Administrator and enter the following two commands:

reg add 'HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerMemory Management' / v FeatureSettingsOverride / t REG_DWORD / d 1 / f

reg add 'HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerMemory Management' / v FeatureSettingsOverrideMask / t REG_DWORD / d 1 / f

Then restart the device.

In addition, Microsoft has also released Windows 10 version 1709 with Windows 10 KB4058258 number to users to fix some device screen errors, delays when using keystrokes to change language language. In addition, the update also improves the security of the Windows 10 operating system for x86 devices, and devices that use AMD chips to protect both Meltdown and Specter vulnerabilities.

But when updating this version, users may see error 0x80073715, unable to install on some devices. If this is the case, you can download the update in the link below.

Windows 10 KB4058258

See more:

1. Microsoft released an emergency patch for Windows, turned off the Specter patch, causing a drop in system performance
2. Microsoft launched a Windows 10 KB4073291 cumulative update, including the offline installer
3. Instructions for fixing USB connection errors on Windows 10 using Windows USB Troubleshooter
4. Vietnamese translation for Windows 10