License is installed on computer but software still says that the computer is not licensed.
TAC I/A Series
I/A Series G3 software installed on a Windows computer.
Tridium software certificate was not installed properly or has been damaged.
Copy the file "Tridium.certificate" from the certificates folder of another version of the I/A Series G3 software into the certificates folder of the current version.
The correct file location is C:\niagara\niagara-3.x.xx\certificates where 3.x.xx is the software version number.