The system asks you to install the .NET Framework 4.0 during installation of an IVS client (C/S client or web client); however, in Control Panel, the .NET Framework 4 Client Profile has been installed.

The .NET Framework 4.0 is not installed properly.

1. Uninstall the .NET Framework 4 Client Profile.
   1. Choose Start > Control Panel.
   2. In Control Panel, click Add or Remove Programs.
   3. In Currently installed programs, select .NET Framework 4 Client Profile and click Remove to uninstall the program.

2. Re-install the .NET Framework 4.0. Verify that the following programs have been installed:
   • .NET Framework 4 Client Profile
   • .NET Framework 4 Extended

3. Check whether the fault is rectified.

   If the fault is rectified, no further action is required. If the fault persists, contact Huawei technical support engineers.