Windows 7

After making a fix for Unbootable state for AMD devices in Windows 8.1 available earlier, Microsoft has now made a fix available for AMD devices in Windows 7 and Server 2008 that are stuck in an unbootable state after installing recent Spectre and Meltdown fixes. These two updates, the first released on January 3, 2018—KB4056897 (Security-only update) or the second released on  January 4, 2018—KB4056894 (Monthly Rollup) made AMD devices to fall into an unbootable state.

Now the fix is available as the standalone update KB4073578 and can be downloaded from the Microsoft update catalogue. You can download and install the update by following the link below.

KB4073578 link

More information about KB4073578:

Known issues in this update

Microsoft is not aware of any issues that affect this update currently. 


To install this update, you must have Windows 7 Service Pack 1 or Windows Server 2008 R2 Service Pack 1 installed.

Registry information

To apply this update, you don’t have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

 Update replacement information

This update does not replace a previously released update.