Windows 10 20H1 2004 Blocked By Windows Security App? Here’s A Solution To Install Latest May 2020 Cumulative Update Facing ‘Failure To Install’ Issue

The Windows 10 20H1 v2004 Cumulative Update has gone live. But the Windows 10 May 2020 Feature Update has already started to face some major issues with installation. Quite a few eager Windows 10 OS users have noticed the large update is being blocked from installing. Incidentally, the main problem behind the inability to install the update appears to be Windows 10’s own Windows Security app.

Microsoft has acknowledged a new issue that’s preventing the smooth installation of the latest Cumulative Feature Update for Windows 10. The May 2020 Update, also known as the 20H1 or Windows 10 v2004 Update, is being blocked on a few computers. Apparently, there are some compatibility issues with the Windows Security app. However, Windows 10 OS users who refrain from updating their display drivers could also be facing similar ‘Failure to Install’ issues.

Windows 10 OS Gives Error Message About ‘Compatibility Hold’ On PCs With Memory Integrity Setting Enabled:

It is interesting to note that the Windows Security app appears to be blocking the Windows 10 v2004 Cumulative Feature Update. The ‘Memory Integrity Setting’ appears to be at the core of the problem. However, the setting is not incorrectly enabled. Evidently, the setting ensures users are protected from suspicious code from accessing high-security processes. It is basically a core isolation technique that attempts to shield Windows 10 installation.

Switching off the ‘Memory Integrity Setting’ apparently ensures the Windows 10 v2004 20H1 May 2020 update proceeds and completes. To disable the feature, follow the steps:

  • Head to Windows 10 settings page.
  • Navigate to “Update & Security”.
  • Click on “Windows Security.”
  • From there, go to “Device Security”.
  • Select “Core isolation details.”
  • Toggle off the memory integrity setting there.
  • Restart your computer.
  • Check for updates in Windows Update or Update Assistant tool.

Although the method works, it is not recommended to keep the setting off. There is a better solution to remove the Windows 10 ‘Upgrade Block’. It involves downloading and installing the latest updated display drivers from the manufacturer. Simply put, Windows 10 OS users must ensure the display drivers, either for Intel’s CPU-integrated display, NVIDIA or AMD GPU must be on the latest version.

If the abovementioned methods do not work, Windows 10 OS users must ensure the majority of the drivers for peripherals installed must be updated. This includes onboard or external Wi-Fi, Bluetooth, etc. Incidentally, Microsoft has previously warned about consequences that could occur if users disregard the compatibility problem and manually force Windows 10’s May 2020 Update with Media Assistant or other programs. Hence it is strongly recommended not to force-install the latest Cumulative Update.

The ‘Memory Integrity Setting’ has been a little troublesome for quite some time. Quite recently there was a bug that could prevent drivers from loading, potentially causing major problems including system failure. While attempting to develop a permanent fix, Microsoft had advised disabling the Memory Integrity Setting in Windows Security.

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Alap Naik Desai


A B.Tech Plastics (UDCT) and a Windows enthusiast. Optimizing the OS, exploring software, searching and deploying solutions to strange and weird issues is Alap's main interest.
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