Build 04 of STAAD.Pro 2007 (officially known as STAAD.Pro V8i) has been released. I would request you to download and install the same and see if you are still encountering the problem. It can be downloaded from
The attached pictures shown the steps for downloading and installing it. The installation guide "quickstart.pdf" is also attached in the zip file.
Please note that you need to uninstall the previous build completely from Control Panel > Add Remove Programs before installing the latest one. Also ensure that you are logged in as administrator throughout the process