Could you please provide some more information about the error? Can you start a new project and drop components on the form? If you want to install a previous version please follow these steps directly in TMS Smart Setup:
- remove the old product from the "Products" folder. Say, remove the tms.fnc.uipack folder from the products folder.
- Unzip the version you want from the old versions folder inside the "Products" folder, in the same folder it was before. (say, unzip it in tms.fnc.uipack if you are installing an old TMS FNC UI Pack version).
- run
tms build