The software's built-in trial period has ended.
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 key, download and install the latest driver from the CSI Knowledge Base . etabs license not recognized error 120 work
CSI software is sensitive to regional date formats. Ensure your PC's date and number format is set to US (mm/dd/yyyy) .
Use this utility within the installation folder to view the current license type and its expiration date. If it shows as "expired," you must reactivate your license. 2. Adjust System Date and Format The software's built-in trial period has ended
Verify your system clock is accurate. If the license was generated for a future date or has already expired, the software will not launch. 3. Update Sentinel Drivers and Locking Codes
Navigate to your ETABS installation directory (usually C:\Program Files\Computers and Structures\ETABS [Version] ) and ensure the lservrc file is present. Activation Deactivate and reactivate via StandaloneKey
Check your machine’s lock code. Ensure the "Computer ID" checkbox is enabled so the software can link the license to your hardware. 4. Re-Register the Software (Advanced)
The typically occurs when the software cannot verify a valid standalone or network license file, often due to an incomplete license file, expired trial, or system date discrepancies. Common Causes of Error 120