Compatibility update for the web and media upgrade experience is available for Windows 8 and Windows Server 2012: May 2013

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Article ID: 2820333 - View products that this article applies to.
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Introduction

A compatibility update for the web and media upgrade experience is available. This update improves the web and media upgrade experience when you upgrade to the latest version of Windows 8 or Windows Server 2012. Additionally, this update offers the latest compatibility status of the applications, devices, and drivers that are already installed on your computer. This compatibility update is dated May 2013.

For more information about the improvements, refer to the "" section.

More information

Update information

How to obtain this update

This compatibility update is offered when you install the latest version of Windows 8 or Windows Server 2012. 

Upgrade actions

This compatibility update may trigger several actions when you upgrade to the latest version of Windows 8 or Windows Server 2012. The following are the most common actions that may occur:
  • Upgrade block

    Puts an upgrade block on an application that may cause the upgrade to fail. Windows 8 and Windows Server 2012 put an upgrade block on a third-party application only if the manufacturer is notified. User must uninstall the application to continue with the upgrade.
  • Hard block

    Puts a hard block on an incompatible application when you upgrade to Windows 8 or Windows Server 2012. When a hard block is put on an incompatible application, you cannot run the application after you upgrade. Windows 8 and Windows Server 2012 put a hard block on a third-party application only if the manufacturer is notified. Improves user experience by warning the end-user and provides more information URL about the product.
  • Soft block

    Puts a soft block on an application when you upgrade to Windows 8 or Windows Server 2012. A soft block notifies you when a primary function of an application may not work or may cause application instability. Improves user experience by warning the end-user and provides more information URL about the product.
  • Driver block

    Blocks an existing driver on your computer when you upgrade to Windows 8 or Windows Server 2012. If this occurs, a Windows 8 driver or a Windows Server 2012 driver is installed. 
  • Block upgrade can reinstall

    Blocks the upgrade to Windows 8 or Windows Server 2012. To continue the upgrade, you must uninstall the application or driver. After Windows 8 or Windows Server 2012 is installed, the application or driver may function correctly when the application or driver is reinstalled.
  • Reinstall after upgrade

    Allows the upgrade process to the release version of Windows 8 or Windows Server 2012 to complete successfully. However, you can reinstall the application or driver after the upgrade.

Changes in upgrade behavior when you install the update

Applications or devices may experience a change in behavior after this compatibility update is installed.

The following table lists the applications and devices that may be dynamically migrated when you update. This table also describes the behavior of these applications and devices after this compatibility update is installed.
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Application NameVersionBehavior after you install the updateAffects media setup? Affects web setup?
AVG AntiVirus12.0.0.1831Improves user experience by warning the end-user, and provides a URL for more information about the product.YesYes

Update replacement information

This update replaces the following update:
  • 2793216 Compatibility update for the web and media upgrade experience is available for Windows 8 and Windows Server 2012
  • 2774223 Compatibility update for the web and media upgrade experience is available for Windows 8 and Windows Server 2012
  • 2791342 Compatibility update is available for the web and media upgrade experience for Windows 8 and Windows Server 2012

File information

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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 and Windows Server 2012 file information 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:
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    VersionProductMilestoneService branch
    6.2.920 0.16 xxxWindows 8 and Windows Server 2012RTMGDR
    6.2.920 0.20 xxxWindows 8 and Windows Server 2012RTMLDR
  • 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 versions of Windows 8
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File nameFile versionFile sizeDateTimePlatform
Drvmain.sdbNot applicable239,15403-Apr-201312:44Not applicable
Sysmain32.sdbNot applicable1,432,47403-Apr-201312:44Not applicable
Sysmain64.sdbNot applicable242,30403-Apr-201312:44Not applicable
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For all supported x64-based versions of Windows 8 and of Windows Server 2012
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File nameFile versionFile sizeDateTimePlatform
Drvmain.sdbNot applicable238,87203-Apr-201312:50Not applicable
Sysmain32.sdbNot applicable1,432,47403-Apr-201312:50Not applicable
Sysmain64.sdbNot applicable242,30403-Apr-201312:50Not applicable
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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
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Properties

Article ID: 2820333 - Last Review: May 14, 2013 - Revision: 1.0
Applies to
  • Windows 8
  • Windows 8 Pro
  • Windows 8 Enterprise
  • Windows Server 2012 Datacenter
  • Windows Server 2012 Essentials
  • Windows Server 2012 Foundation
  • Windows Server 2012 Standard
Keywords: 
kbfix atdownload kbexpertiseadvanced kbsurveynew KB2820333

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