When opening NBS Building or NBS Landscape you receive the following error:

Problem opening Stream


If you have updated your NBS software but not your NBS libraries then you may encounter this error.


To resolve this issue please follow these steps:

1. Download the latest version of NBS Building or NBS Landscape from

2. Extract the folder and run the NetworkUnpack.bat file.

3. The installation wizard will appear. Click Next.

4. Select the network path for the installation using the Change button (for example, S:\NBS).