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FIX: Error message when you open a workflow by using the workflow designer in Visual Studio 2005: "Error loading workflow"Article ID: 936123 - View products that this article applies to. On This PageSYMPTOMSWhen you open a workflow by using the workflow designer in Microsoft Visual Studio 2005, you occasionally receive the following error message: Error loading workflow An error occurred while loading the workflow. Please correct the following error and try reloading the document to view the workflow. The type initializer for 'Microsoft.Practices.PageFlow.WorkflowFoundation.Activities.PageFlow' threw an exception. CAUSEThis problem occurs because the TypeResolutionService method sometimes uses the incorrect active project to resolve the types of the workflow in the AppDomain.AssemblyResolve event. RESOLUTIONHotfix informationA supported hotfix is available from Microsoft. 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 this specific problem. 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. To download this hotfix from the MSDN Code Gallery, visit the following Microsoft Web site: http://code.msdn.microsoft.com/KB936123
(http://code.msdn.microsoft.com/KB936123)
Note The MSDN Code Gallery displays the languages for which the hotfix is available. If you do not see your language listed, it is because the Code Gallery resource page is not available for that language. Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: http://support.microsoft.com/contactus/?ws=support
(http://support.microsoft.com/contactus/?ws=support)
PrerequisitesYou must have Visual Studio 2005 Service Pack 1 (SP1) and Windows Workflow Foundation installed to apply this hotfix.Restart requirementYou do not have to restart the computer after you apply this hotfix.Hotfix replacement informationThis hotfix does not replace any other hotfixes.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 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.Visual Studio 2005, x86-based versionsCollapse this table
Visual Studio 2005 extensions for Windows Workflow Foundation, x64-based versionsCollapse this table
Visual Studio 2005 extensions for Windows Workflow Foundation, x86-based versionsCollapse this table
STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. MORE INFORMATION
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684
(http://support.microsoft.com/kb/824684/
)
Description of the standard terminology that is used to describe Microsoft software updates
PropertiesArticle ID: 936123 - Last Review: October 19, 2007 - Revision: 1.7 APPLIES TO
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