This update makes improvements to ease the installation experience when you upgrade to Windows 10, version 1903. Key changes include the following:

  • Addresses an issue in the migration file (.mig) which may cause an error to occur after you upgrade.

  • Addresses an issue that causes a black screen when you try to create a new virtual machine (VM). This issue occurs after VMWare version 15.10 or an earlier version is installed and then you upgrade.

  • Addresses incompatible third-party drivers that may cause issues when you upgrade.

  • Addresses an issue during the upgrade in which Korean characters may be clipped or unreadable.

  • Addresses an issue that causes the ESD file to be unnecessarily redownloaded during the upgrade.

  • Addresses hard link issues when you perform an offline upgrade.

How to get this update

This update is available through Windows Update. It will be downloaded and installed automatically.


There are no prerequisites to apply this update. 

Restart information 

You don't have to restart your computer after you apply this update.  

Update replacement information 

This update replaces the previously released update KB 4512940.


Learn about the terminology that Microsoft uses to describe software updates.

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