You have a computer that has 1 gigabyte (GB) memory installed and is running a 32-bit version of Windows 8. When you try to upgrade to Windows 8.1, the upgrade fails, and the system is rolled back to its previous state.
This problem occurs because the upgrade is too large for the random access memory (RAM) that is available on the computer. The RAM that is available is less than 1 GB.
How to obtain this updateThis update is applied when you upgrade to Windows 8.1. No interaction is required to apply this update.
PrerequisitesTo apply this update, you must be running a 32-bit version of Windows 8.
Restart requirementYou must restart the computer after you apply this update.
Update replacement informationThis update does not replace any previously released update.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.