Seems the .NET Framework v1.1 is not install, so we just click the Yes button else the installation won’t continue. Though the Win XP machine used for this installation already has .NET Framework 1.1 installed, it can’t detect it.

Figure 3: The .NET Framework v1.1 installation confirmation dialog box

The .NET Framework 1.1 component is installed.

Figure 4: The progress of the .NET Framework v1.1 installation