I have activated STAAD Planwin license; I am unable to create a new model. I'm getting the following error message with reference to licensing.
Go to the Control Panel -> Programs and Features and uninstall all the versions of Planwin and STAAD.Pro Connect Edition. Download the latest versions by following steps from the link below.
Software Download Instructions
If you get a message saying that you do not have download permission, please check with your IT group.
While installing, please right-click on the file and select the option 'Run as administrator', though you may be the administrator for the machine.
Please note that though, STAAD.Pro Connect Edition is a 64-bit software and Planwin is a 32-bit software, they will work fine in a 64-bit machine.
Building Planner / Planwin General FAQ