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VAN UI freezes after KB2813956 is applied in Windows 7

View products that this article applies to.

Symptoms

Consider the following scenario:
  • You have a Windows 7-based computer that uses mobile broadband connection.
  • You apply the KB2813956 update on the computer.
  • You roam through different network providers. For example, this occurs when you are traveling.
  • You manually register with a network provider on the computer.
In this scenario, the connection fails and the View Available Networks UI (VAN UI) freezes.

Note You can restart the Wireless Wide Area Network (WWAN) AutoConfig service (WWANSvc) to recover from this issue. 

For more information about KB2813956, click the following article number to view the article in the Microsoft Knowledge Base:
2813956 Mobile broadband network provider disappears from VAN UI in Windows 7

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Cause

This issue occurs because of a problem in the WWAN AutoConfig service.

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Resolution

Update information

How to obtain this update

Microsoft Update
This update is available from the Microsoft Update website:
Microsoft Update
Microsoft Download Center
The following files are available for download from the Microsoft Download Center:
Operating systemUpdate
All supported x86-based versions of Windows 7Download Download the update package now.
All supported x64-based versions of Windows 7Download Download the update package now.
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Prerequisites

To apply this update, you must be running Windows 7 Service Pack 1 (SP1).

For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To apply this update, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this update.
File information
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.

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 7" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. 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 7
File nameFile versionFile sizeDateTimePlatform
Wwanprotdim.dll8.1.7601.1811340,96019-Mar-201303:33x86
Wwansvc.dll8.1.7601.18380185,34428-Jan-201402:07x86
Wwan_profile_v1.xsdNot applicable6,20110-Jun-200921:42Not applicable
Wwanprotdim.dll8.1.7601.2258340,96028-Jan-201402:10x86
Wwansvc.dll8.1.7601.22583185,34428-Jan-201402:10x86
Wwan_profile_v1.xsdNot applicable6,20110-Jun-200921:42Not applicable
For all supported x64-based versions of Windows 7
File nameFile versionFile sizeDateTimePlatform
Wwanprotdim.dll8.1.7601.1811348,64019-Mar-201305:53x64
Wwansvc.dll8.1.7601.18380228,86428-Jan-201402:32x64
Wwan_profile_v1.xsdNot applicable6,20110-Jun-200921:03Not applicable
Wwanprotdim.dll8.1.7601.2258348,64028-Jan-201402:40x64
Wwansvc.dll8.1.7601.22583228,86428-Jan-201402:40x64
Wwan_profile_v1.xsdNot applicable6,20110-Jun-200921:03Not applicable

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Status

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

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More Information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
Additional file information

Additional file information for Windows 7

Additional files for all supported x86-based versions of Windows 7
File propertyValue
File nameUpdate.mum
File versionNot applicable
File size1,625
Date (UTC)28-Jan-2014
Time (UTC)07:10
PlatformNot applicable
File nameX86_f1b605dd7ffb2ee416d14901b2b908fb_31bf3856ad364e35_6.1.7601.22583_none_a52b5868897f57c0.manifest
File versionNot applicable
File size695
Date (UTC)28-Jan-2014
Time (UTC)07:10
PlatformNot applicable
File nameX86_f638ce6d0f3010b19510a1db358d1d67_31bf3856ad364e35_6.1.7601.18380_none_41ff71cbb310910b.manifest
File versionNot applicable
File size695
Date (UTC)28-Jan-2014
Time (UTC)07:10
PlatformNot applicable
File nameX86_microsoft-windows-wwansvc_31bf3856ad364e35_6.1.7601.18380_none_a32635a77d9518a6.manifest
File versionNot applicable
File size51,347
Date (UTC)28-Jan-2014
Time (UTC)07:13
PlatformNot applicable
File nameX86_microsoft-windows-wwansvc_31bf3856ad364e35_6.1.7601.22583_none_a3b2d53696b0019c.manifest
File versionNot applicable
File size49,377
Date (UTC)28-Jan-2014
Time (UTC)02:36
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 7
File propertyValue
File nameAmd64_3ab53a61f8fa1c3ace7bc8a46a94008c_31bf3856ad364e35_6.1.7601.18380_none_f3ff88acb4f8f46d.manifest
File versionNot applicable
File size699
Date (UTC)28-Jan-2014
Time (UTC)07:10
PlatformNot applicable
File nameAmd64_5e1d582fb6c64efb6926ce68cc36bdee_31bf3856ad364e35_6.1.7601.22583_none_1a03a9436c0ec826.manifest
File versionNot applicable
File size699
Date (UTC)28-Jan-2014
Time (UTC)07:10
PlatformNot applicable
File nameAmd64_microsoft-windows-wwansvc_31bf3856ad364e35_6.1.7601.18380_none_ff44d12b35f289dc.manifest
File versionNot applicable
File size51,351
Date (UTC)28-Jan-2014
Time (UTC)07:10
PlatformNot applicable
File nameAmd64_microsoft-windows-wwansvc_31bf3856ad364e35_6.1.7601.22583_none_ffd170ba4f0d72d2.manifest
File versionNot applicable
File size49,381
Date (UTC)28-Jan-2014
Time (UTC)03:07
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,635
Date (UTC)28-Jan-2014
Time (UTC)07:10
PlatformNot applicable

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Keywords: kbfix, kbsurveynew, atdownload, kbexpertiseadvanced, kb

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Article Info
Article ID : 2918077
Revision : 4
Created on : 4/9/2020
Published on : 4/9/2020
Exists online : False
Views : 271