Received following message.
VBA rejected the OpenSite Designer Application object. probably because it cannot find the proper version of the type library. Trying running 'OpenSite Designer /regserver' with administrator privileges.
1) Re-register the program.
a) Search "Command Prompt" on start menu and Select "Run as administrator".
b) Type following command in the command prompt window.
"CD C:\Program Files\Bentley\OpenSite Designer CE 10.12\OpenSiteDesigner"
(Note: Change the "OpenSite Designer CE 10.12" folder name if you are using any other version)
c) Type "OpenSiteDesigner.exe /regserver" and press Enter.
2) Repair the installation.
a) Download the installer from https://softwaredownloads.bentley.com/en/ProductDetails/2758
b) Run the Installer and select Repair.
3) Re-install the application.
a) Refer to following document to detailed steps on how to clean uninstall the OpenRoads/ OpenSite Designer.
https://communities.bentley.com/products/road___site_design/w/road_and_site_design__wiki/52791/uninstall-process-for-openroads-designer
b) Re-install the OpenSite Designer.