Microsoft KB Archive/926660

= FIX: Error message when you run an application in the .NET Framework 2.0: &quot;System.IO.FileNotFoundException&quot; =

Article ID: 926660

Article Last Modified on 2/22/2007

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APPLIES TO


 * Microsoft .NET Framework 1.1

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SYMPTOMS
When you build and run an application in the Microsoft .NET Framework 2.0, the application fails. Additionally, you receive the following error message:

System.IO.FileNotFoundException

This problem occurs if the following conditions are true:
 * In the application's configuration file, you used an HREF attribute in the codebase element to specify an assembly.
 * The URL that is specified in the HREF attribute points to a Web server that is unavailable.

Note This problem occurs even when the referenced assembly is present in the assembly cache and in the Windows Internet Explorer temporary cache.



Hotfix information
A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft .NET Framework 2.0 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites
There are no prerequisites.

Restart requirement
You do not have to restart your computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace a previously released hotfix.

File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times 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.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For more information, 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

Keywords: kbconfig kbbug kbfix kbqfe kbhotfixserver kbpubtypekc KB926660

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