The level.txt file is a key player when running a higher version of the software with a license from a previous version. For example, running ETABS v18 using an ETABS v19 license.
The error indicates that the ETABS 18 application cannot communicate with the licensing server (Local or Network) or cannot locate a valid license file. This report outlines the primary causes and step-by-step troubleshooting procedures to resolve the issue.
If your company owns licenses for different versions of ETABS (e.g., PLUS, ULTIMATE), the software might be trying to use the wrong one, leading to a "not found" error.
If it’s not running, right-click it and select . If it is running, click Restart . 2. Verify the "level.txt" File unable to find a license etabs 18
ETABS relies on system time accuracy to prevent licensing fraud. Step-by-Step Troubleshooting Solutions
Set the Variable value to the or hostname of your license server. Click OK and restart your computer. 3. Run ETABS as an Administrator
Right-click the service, select , and change the Startup type to Automatic to prevent future dropouts. 6. Perform a Clean Reinstallation The level
Ensure it matches the locking code on your original license certificate from Computers and Structures, Inc. (CSI). If they do not match, you will need to request an updated license file from CSI or your vendor. Phase 3: General System Checks
Disclaimer: This article is for educational troubleshooting purposes. ETABS is a registered trademark of Computers and Structures, Inc. Users must own a valid license to use the software.
Alternatively, uninstall it completely and run the Sentinel installer located inside the ETABS installation media setup folder. 3. Configure Windows Defender and Antivirus Whitelists This report outlines the primary causes and step-by-step
ETABS 18 includes a built-in tool called to help you switch or reset license modes.
If you are using a , your computer might not "see" the server.
: Open Windows Defender or your third-party antivirus dashboard. Look at the protection history to see if any ETABS files were blocked.