How to suppress the Appshelp message when you install the .NET Framework 1.1 redistributable file on 64-bit versions of Windows

This article discusses how to suppress the Appshelp warning message that appears when you install the Microsoft .NET Framework 1.1 redistributable file on 64-bit versions of Microsoft Windows.

When you install the .NET Framework 1.1 redistributable file on a 64-bit version of Windows, you receive the following AppsHelp message: This message is displayed even when Microsoft Internet Information Services (IIS) is not installed.

To suppress the Appshelp message when you install the .NET Framework 1.1 redistributable file, use one of the following methods:

Command-line silent installation

Perform a silent installation. To do this, type the following command at a command prompt: Note The /q:a switch specifies administrator quiet mode. The /c: switch specifies the command to run or to install. In this example, the /l switch is to enable logging and the /q switch is for quiet mode.

AppCompatFlag registry entry

Add a registry entry that disables the Appshelp message. To do this, follow these steps:

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

1. Click Start, click Run, type regedit, and then click OK.
2. Locate and then click the following registry subkey:
   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags
3. On the Edit menu, click New, and then click DWORD Value.
4. Type {11F1F8EE-7E7F-4F1D-BE93-B4D310F0760A}, and then press ENTER.
5. Right-click {11F1F8EE-7E7F-4F1D-BE93-B4D310F0760A}, and then click Modify.
6. In the Edit DWORD Value dialog box, click Decimal, and then type 4 in the Value data box.
7. On the File menu, click Exit.

Note After you add the registry entry, the Appshelp message does not appear when you run the .NET Framework 1.1 installation.