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FIX: Certain Unicode characters returned by the Application.ExecutablePath property in the .NET Framework 2.0 are displayed as "?"

Consider the following scenario.
  • You apply the security update that is described in Microsoft Knowledge Base article 928365.
  • You create an application that is built on the Microsoft .NET Framework 2.0.
  • In the application, you use the Application.ExecutablePath property to obtain the path of the executable file.
In this scenario, certain Unicode characters in the path of the executable file are displayed as "?".

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: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.


You must have the .NET Framework 2.0 installed to apply this hotfix.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

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.
The .NET Framework 2.0, x86-based versions
File nameFile versionFile sizeDateTime
To work around this problem, do not use the Application.ExecutablePath property. Instead, use the following syntax to obtain the path of the executable file:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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

Steps to reproduce the problem

  1. Create a path that has special characters. For example, create the following path:
    C:\Spécial Folder\
  2. Create a .NET Framework 2.0-based console program in the C# language. To do this, use the following code example.
    static void Main(string[] args){   string path = System.Windows.Forms.Application.ExecutablePath;   System.Console.WriteLine(path);   System.Console.ReadKey();}
  3. Compile the project, and then copy the executable file to the folder that you created in step 1.
  4. Run the executable file at the command prompt.

    In this example, the output resembles the following:
    C:\Sp?cial Folder\ProgramName.exe
    However, you expect the output to resemble the following:
    C:\Spécial Folder\ProgramName.exe

Article ID: 943804 - Last Review: 10/08/2011 12:41:00 - Revision: 2.0

Microsoft .NET Framework 2.0

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