Hotfixes available for ASP. NET browser definition files in the Microsoft.NET Framework 4.0

Source: Internet
Author: User
Tags local time knowledge base microsoft customer service

http://support.microsoft.com/kb/2600088

This hotfix introduces an updated definition for Internet Explorer and Mozilla Firefox in the browser definition file. The browser definition file is stored in one of the following folders, depending on the version of the Microsoft.NET Framework that is installed:
    • For the 32-bit version of the. NET Framework 4.0

      %windir%\microsoft.net\framework\v4.0.30319\config\browsers
    • For the 64-bit version of the. NET Framework 4.0

      %windir%\microsoft.net\framework64\v4.0.30319\config\browsers
by default, ASP. NET uses the listening technique for the user agent string to detect the browser. browser definition files cover certain ranges of browser versions. However, as you increase the version number, ASP. NET may not use the user-agent string to identify the new version of the browser. in this case, ASP. NET may process these versions for unknown browsers. for example, ASP. NET does not recognize the following user agent string for Windows Internet Explorer 10:

mozilla/5.0 (compatible;MSIE 10.0;Windows NT 6.1;trident/6.0)Patch InformationYou can obtain a supported hotfix from Microsoft. However, this hotfix is intended to resolve only the problem that is described in this article. This hotfix applies only to systems that are experiencing the problem that is described in this article. this hotfix may be subject to further 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.

If the hotfix is available for download, the "Hotfix download available" section at the top of this Knowledge Base article. If this section is not displayed, contact Microsoft customer service and support to obtain the hotfix.

Note:If additional issues occur or if any troubleshooting is required, you may need to create a separate service request. There is no usual support charge for this specific hotfix to support issues and matters. For a complete list of Microsoft customer service and support phone numbers, or for creating separate service requests, visit the following Microsoft Web site:Http://support.microsoft.com/contactus/?ws=support Note:the "Hotfix download available" form displays the language that gets the hotfix. If you do not see your language, the hotfix does not have a version of that language.

Prerequisite Componentsto apply this hotfix, you must have the. NET Framework 4 installed.
Restart informationAfter you apply this hotfix, you may have to restart the computer if you use any of the affected files when you install this hotfix.

to avoid restarting the computer, close all Web server applications for the ASP. NET Web site, and then apply this hotfix.

Change informationThis hotfix does not replace a previously released hotfix.

File informationThe English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and the time for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. to find the difference between UTC and local time, use the time Zone tab in the date and time item in Control Panel.

For all supported x86-based. NET Framework 4.0 Versions
file name file Version File Size Date Time Platform
aspnet_wp.exe 4.0.30319.504 32,592 August 22, 2011 06:03 x86
Firefox.browser Not applicable 3,082 August 21, 2011 22:10 Not applicable
IE.browser Not applicable 4,283 August 21, 2011 22:10 Not applicable
Setup.dll 10.0.30319.504 295,760 August 22, 2011 06:03 x86
Setupengine.dll 10.0.30319.504 809,304 August 22, 2011 06:03 x86
Setupui.exe 10.0.30319.504 78,152 August 22, 2011 06:03 x86
System.web.dll 4.0.30319.504 5,227,856 August 22, 2011 06:03 x86
System.web.extensions.dll 4.0.30319.504 1,862,504 August 22, 2011 06:03 x86
Webengine.dll 4.0.30319.504 14,160 August 22, 2011 06:03 x86
Webengine4.dll 4.0.30319.504 495,440 August 22, 2011 06:03 x86
For all. NET Framework 4.0 support based on the x64 version
file name file Version File Size Date Time Platform
aspnet_wp.exe 4.0.30319.504 40,784 August 22, 2011 06:38 x64
Firefox.browser Not applicable 3,082 August 21, 2011 21:37 Not applicable
IE.browser Not applicable 4,283 August 21, 2011 21:37 Not applicable
Setup.dll 10.0.30319.504 295,760 August 22, 2011 06:03 x86
Setupengine.dll 10.0.30319.504 809,304 August 22, 2011 06:03 x86
Setupui.exe 10.0.30319.504 78,152 August 22, 2011 06:03 x86
System.web.dll 4.0.30319.504 5,197,136 August 22, 2011 06:38 x64
System.web.extensions.dll 4.0.30319.504 1,862,504 August 22, 2011 06:03 x86
Webengine.dll 4.0.30319.504 15,696 August 22, 2011 06:38 x64
Webengine4.dll 4.0.30319.504 720,720 August 22, 2011 06:38 x64
For all supported. NET Framework 4.0 IA-64 -Based on version
file name file Version File Size Date Time Platform
aspnet_wp.exe 4.0.30319.504 80,208 August 22, 2011 07:09 IA-64
Firefox.browser Not applicable 3,082 August 21, 2011 22:12 Not applicable
IE.browser Not applicable 4,283 August 21, 2011 22:12 Not applicable
Setup.dll 10.0.30319.504 295,760 August 22, 2011 06:03 x86
Setupengine.dll 10.0.30319.504 809,304 August 22, 2011 06:03 x86
Setupui.exe 10.0.30319.504 78,152 August 22, 2011 06:03 x86
System.web.dll 4.0.30319.504 4,816,208 August 22, 2011 07:09 IA-64
System.web.extensions.dll 4.0.30319.504 1,862,504 August 22, 2011 06:03 x86
Webengine.dll 4.0.30319.504 25,424 August 22, 2011 07:09 IA-64
Webengine4.dll 4.0.30319.504 1,340,752 August 22, 2011 07:09 IA-64
Note:Because of file dependencies, this hotfix may also contain additional files.
Common issues that occur without this hotfix 1Consider the following scenario:
    • You can use Windows Internet Explorer 10来 to access an ASP. NET-based Web page.
    • The page initiates a postback.

in this scenario, the postback fails, and you receive the following error message:
Script encountered error ', ' ' __dopostback ' undefined Note:the Web page can initiate postbacks in several ways. For example, a LinkButton control can initiate a postback.
Question 2Consider the following scenario:
    • Create an ASP. NET-based Web page with the MaintainScrollPositionOnPostBack property set to True
    • You use Mozilla Firefox 4.0 or a later version of Mozilla Firefox to open the page.
    • The page initiates a postback.

In this scenario, the page is not kept scrolling after the postback. Back to the top | Provide feedback referenceFor more information about the MaintainScrollPositionOnPostBack property, visit the following Microsoft Web site:
General information about the MaintainScrollPositionOnPostBack propertyFor more information about the browser definition file schema, visit the following Microsoft Web site:
General information about the browser definition file schemaFor more information about the Internet Explorer 10 user agent string, visit the following Microsoft Web site:
General information about Internet Explorer 10 user-agent stringsFor more information about how to detect Internet Explorer more effectively, visit the following Microsoft Web site:
How to detect Internet Explorer more effectively

The third-party products discussed in this article are produced by companies unrelated to Microsoft. Microsoft does not make any warranties, implied or otherwise, regarding the performance or reliability of these products.
Back to the top | Providing feedback properties Article ID: 2600088-last review: April 19, 2014-Revision: 14.0 The information in this article applies to:
    • Microsoft ASP 4.0
Key words: Kbautohotfix kbqfe kbhotfixserver kbfix kbsurveynew kbexpertiseadvanced kbmt KB2600088 Kbmtzh
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Hotfixes available for ASP. NET browser definition files in the Microsoft.NET Framework 4.0

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