Run WechoID.exe from the installation folder to ensure the checkbox is enabled.
If the error persists, it may be due to leftover registry keys from older or evaluation versions.
Navigate to your ETABS installation folder (typically C:\Program Files\Computers and Structures\ETABS [Version] ). Look for a folder named and open it.
: Real-time security shields frequently flag or remove the crucial lservrc configuration text file or local license generation tools during background scans.
Open the Windows and navigate to Clock and Region > Region . etabs license not recognized error 120 work
Troubleshooting ETABS "License Not Recognized Error 120" Structural engineers heavily rely on Computers and Structures, Inc. (CSI) ETABS for building analysis and design. Encountering the can halt critical project workflows. This comprehensive technical guide provides actionable solutions to resolve this licensing issue quickly. Understanding Error 120
Follow these steps in order to diagnose and resolve the issue.
Error 120.
If you are using a standalone license (no server, just a local activation code), try these steps: 1. Correct the System Date and Time Run WechoID
Disable real-time scanning, add folder exclusions, and re-run your activator. Error #120 after changing network cards or using a VPN The machine locking code (310) changed mid-session
Sentinel RMS parsers are highly sensitive to regional Windows localization settings. If your machine is set to a non-US regional standard, the software may fail to read the timestamp within the license file.
Method 1: The Official Standalone License Deactivation and Reactivation
According to CSI Knowledge Base , Error 120 specifically indicates that the . This might happen if: An activation process was interrupted. Look for a folder named and open it
Run the deactivation tool to remove the current incomplete license.
Outside her apartment window, a real crane swung against the bruised dawn sky. Somewhere out there, a crew was pouring the foundation for a tower she'd designed. That building didn't need a license check. It needed belief in the math — the same math humming in her head right now, error or no error.
If the deactivation/reactivation process fails, or if you want to prevent errors from occurring in the first place, consider the following expert-level troubleshooting steps.