Symptoms
When you install an update by using Windows Update Stand-Alone Installer (WUSA) in Windows 8.1 or Windows Server 2012 R2, WUSA may occasionally freeze. This causes the update installation to fail.
Resolution
Update information
Microsoft Download Center
A supported hotfix is available from Microsoft Support. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.The following files are available for download from the Microsoft Download Center:
Update for Windows 8.1 (KB2949809) Update for Windows 8.1 for x64-based Systems (KB2949809) Update for Windows Server 2012 R2 (KB2949809)
Prerequisites
To apply this hotfix, you must have Windows 8.1 or Windows Server 2012 R2 installed.
Restart requirement
You must restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace any previously released hotfix.
The English (United States) version of this hotfix 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 and Windows Server 2012 R2 file information and notesImportant Windows 8.1 and Windows Server 2012 R2 hotfixes are included in the same packages. However, only "Windows 8.1" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
-
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 and Windows Server 2012 R2
RTM
GDR
-
The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8.1 and Windows Server 2012 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 8.1
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Wusa.exe |
6.3.9600.16658 |
305,152 |
13-Mar-2014 |
04:39 |
x86 |
For all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Wusa.exe |
6.3.9600.16658 |
308,224 |
13-Mar-2014 |
05:32 |
x64 |
For all supported ARM-based versions of Windows 8.1
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Wusa.exe |
6.3.9600.16658 |
298,496 |
13-Mar-2014 |
03:55 |
Not applicable |
Additional file information for Windows 8.1 and Windows Server 2012 R2
Additional files for all supported x86-based versions of Windows 8.1
|
File name |
Package_1_for_kb2949809~31bf3856ad364e35~x86~~6.3.1.0.mum |
|
File version |
Not applicabl |
|
File size |
1,819 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
16:51 |
|
Platform |
Not applicabl |
|
File name |
Package_for_kb2949809_rtm~31bf3856ad364e35~x86~~6.3.1.0.mum |
|
File version |
Not applicabl |
|
File size |
1,463 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
16:51 |
|
Platform |
Not applicabl |
|
File name |
X86_6578f4ea2d485ee288e15b8a01706b67_31bf3856ad364e35_6.3.9600.16658_none_e6a759d28c5b0ddd.manifest |
|
File version |
Not applicabl |
|
File size |
692 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
16:51 |
|
Platform |
Not applicabl |
|
File name |
X86_microsoft-windows-wusa_31bf3856ad364e35_6.3.9600.16658_none_41c4cca2341a7968.manifest |
|
File version |
Not applicabl |
|
File size |
15,945 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
06:38 |
|
Platform |
Not applicabl |
Additional files for all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2
|
File name |
Amd64_6578f4ea2d485ee288e15b8a01706b67_31bf3856ad364e35_6.3.9600.16658_none_42c5f55644b87f13.manifest |
|
File version |
Not applicabl |
|
File size |
694 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
16:51 |
|
Platform |
Not applicabl |
|
File name |
Amd64_ac103ccfb3cdeb3bd0056678b3777566_31bf3856ad364e35_6.3.9600.16658_none_1e414b1ee15ca3c6.manifest |
|
File version |
Not applicabl |
|
File size |
696 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
16:51 |
|
Platform |
Not applicabl |
|
File name |
Amd64_microsoft-windows-wusa_31bf3856ad364e35_6.3.9600.16658_none_9de36825ec77ea9e.manifest |
|
File version |
Not applicabl |
|
File size |
15,949 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
08:31 |
|
Platform |
Not applicabl |
|
File name |
Package_1_for_kb2949809~31bf3856ad364e35~amd64~~6.3.1.0.mum |
|
File version |
Not applicabl |
|
File size |
2,270 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
16:51 |
|
Platform |
Not applicabl |
|
File name |
Package_2_for_kb2949809~31bf3856ad364e35~amd64~~6.3.1.0.mum |
|
File version |
Not applicabl |
|
File size |
2,280 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
16:51 |
|
Platform |
Not applicabl |
|
File name |
Package_for_kb2949809_rtm~31bf3856ad364e35~amd64~~6.3.1.0.mum |
|
File version |
Not applicabl |
|
File size |
2,644 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
16:51 |
|
Platform |
Not applicabl |
|
File name |
X86_microsoft-windows-wusa_31bf3856ad364e35_6.3.9600.16658_none_41c4cca2341a7968.manifest |
|
File version |
Not applicabl |
|
File size |
15,945 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
06:38 |
|
Platform |
Not applicabl |
Additional files for all supported ARM-based versions of Windows 8.1
|
File name |
Arm_a747f814fd548aa972363865bfcf21d8_31bf3856ad364e35_6.3.9600.16658_none_6c25371506d61bcf.manifest |
|
File version |
Not applicabl |
|
File size |
692 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
16:51 |
|
Platform |
Not applicabl |
|
File name |
Arm_microsoft-windows-wusa_31bf3856ad364e35_6.3.9600.16658_none_41c73efa3417982e.manifest |
|
File version |
Not applicabl |
|
File size |
15,945 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
05:54 |
|
Platform |
Not applicabl |
|
File name |
Package_1_for_kb2949809~31bf3856ad364e35~arm~~6.3.1.0.mum |
|
File version |
Not applicabl |
|
File size |
1,819 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
16:51 |
|
Platform |
Not applicabl |
|
File name |
Package_for_kb2949809_rtm~31bf3856ad364e35~arm~~6.3.1.0.mum |
|
File version |
Not applicabl |
|
File size |
1,463 |
|
Date (UTC) |
13-Mar-2014 |
|
Time (UTC) |
16:51 |
|
Platform |
Not applicabl |
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology that Microsoft uses to describe software updates.
