Symptoms

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.

Cause

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.

Resolution

Update information

How to obtain this update

This update is applied when you upgrade to Windows 8.1. No interaction is required to apply this update.

Prerequisites

To apply this update, you must be running a 32-bit version of Windows 8.

Restart requirement

You must restart the computer after you apply this update.

Update replacement information

This update does not replace any previously released update.

The global version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 8.1 file information and notes

  • The files that apply to a specific product, milestone (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    Version

    Product

    Milestone

    Service branch

    6.3.960 0.16 xxx

    Windows 8.1

    RTM

    GDR

  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.

For all supported x86-based systems

File name

File version

File size

Date

Time

Platform

Setupplatform.dll

Not applicable

2,760,704

19-Sep-2013

02:48

x86

Setupplatform.exe

6.3.9600.16407

3,115,608

19-Sep-2013

06:28

x86

For all supported x64-based systems

File name

File version

File size

Date

Time

Platform

Setupplatform.dll

Not applicable

5,642,752

19-Sep-2013

03:23

x64

Setupplatform.exe

6.3.9600.16407

6,168,152

19-Sep-2013

13:15

x64

For all supported ARM-based systems

File name

File version

File size

Date

Time

Platform

Setupplatform.dll

Not Applicable

4,961,120

19-Sep-2013

04:17

Not applicable

Setupplatform.exe

6.3.9600.16407

5,396,976

19-Sep-2013

04:16

Not applicable


Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References

See the terminology Microsoft uses to describe software updates.

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