Etabs License Not Recognized Error - 120 Work

If the license file itself is corrupted, you will need to replace it.

For more in-depth troubleshooting, visit the CSI Knowledge Base.

As per CSI, the most direct fix for Error 120 is to deactivate the license and then reactivate it . This refreshes the license data stored on your computer and the licensing servers.

: Windows User Account Control (UAC) isolates the software, blocking access to administrative folders like C:\Program Files\Computers and Structures . etabs license not recognized error 120 work

To deactivate a network license, use the same menu command ( Help > License Information > Change Activation Key ). If you cannot access ETABS at all, you can deactivate by running the CSI License Assistant as described in Solution 1.

If none of the above steps resolve the error, contact the software provider's technical support team for assistance. They may request:

To check or change the current license mode (Standalone vs. Network) without reinstallation. WechoID.exe If the license file itself is corrupted, you

Run the Microsoft Program Install and Uninstall Troubleshooter (FixIt tool) to scrub remaining faulty registry configurations.

The lservrc file or the local license file has become corrupted, unreadable, or expired.

If your error occurs on a network setup, the issue often lies with the server connection or version compatibility: Upgrade License Manager : ETABS v17 and later require Sentinel RMS License Manager v9.2 This refreshes the license data stored on your

If the basic reactivation doesn't work, try these steps identified by Computers and Structures, Inc. (CSI) Administrative Privileges : Ensure you run the activation tool and ETABS as an Administrator

Restart your computer and try launching ETABS again. 4. Fix Registry Keys and Clear Native Images