CSI software is sensitive to regional date formats. Ensure your PC's date and number format is set to US (mm/dd/yyyy) .
The software's built-in trial period has ended.
If your computer does not recognize the CID key, download and install the latest driver from the CSI Knowledge Base . etabs license not recognized error 120 work
Failure of the machine to recognize the CID key or Sentinel System Driver. Step-by-Step Solutions to Fix Error 120 1. Verify License Status and Files
For standalone licenses, try deactivating and then reactivating the license via the StandaloneKey.exe utility. CSI software is sensitive to regional date formats
Discrepancies between the machine's system date and the license's valid period can trigger recognition failures.
This is often a temporary fix for non-current licensing and may not work for web-activated versions. Summary of Error 120 Solutions Quick Fix Change PC date format to mm/dd/yyyy . Activation Deactivate and reactivate via StandaloneKey.exe . Driver Check Reinstall Sentinel System Drivers . Verification Check lservrc exists in the installation directory. If your computer does not recognize the CID
For older versions of ETABS (like 2016) where the license has a fixed expiration, some users use the utility to launch the software with a system date that matches the original license period.