If the license appears invalid, you may need to delete the existing lservrc file in the installation directory and run the activation tool provided by CSI to regenerate it. 4. Check USB Key Drivers (If Applicable) If your license is tied to a physical USB dongle (CID key):

The lservrc file, which stores the license information, may be incomplete or damaged. Step-by-Step Fixes for Error 30 1. Verify and Sync System Date

Set the date to a time when the license was known to be valid (e.g., 2017 or 2018).

Create a desktop shortcut using the utility and launch ETABS through that shortcut instead of the standard icon. 3. Refresh the Standalone License

Create an LMHOST.INI file in Notepad containing the server’s IP address.

Run WechoID.exe in the ETABS folder to confirm your computer recognizes the Computer ID. 5. Network License Troubleshooting