If all else fails.
STK licenses are typically locked to a specific (MAC Address). a current stk license could not be found
Run your script as the same user who installed STK. Administrative vs. non-administrative sessions can see different environment variables. If all else fails
License files (often with a .lic extension) are plain text files with strict formatting. They rely on digital signatures and ciphers. If a system administrator accidentally added a space, a line break, or if the a line break
Spring clean your license folder . Move old .lic files to a backup folder elsewhere so STK only sees the active one. 5. Stealth Killers: Time and Hardware