Etabs License — Not Recognized Error 120 Work

The background service responsible for checking the license validity is stopped or crashed.

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.

Open the Windows and navigate to Clock and Region > Region .

The CSI Wiki notes that error 120 is often triggered when the computer's date format is not recognized. Open on your computer. Select Clock and Region -> Region . Ensure the format is set to English (United States) . Set the short date format to (e.g., Restart your computer and attempt to open ETABS. 2. Deactivate and Reactivate Standalone License

Add the entire path C:\Program Files\Computers and Structures\ to your antivirus exclusion whitelist. etabs license not recognized error 120 work

If these solutions do not work, you may need to with the contents of your GetCID.exe report.

The in ETABS typically indicates that the software finds the license file but considers it incomplete or invalid . This often stems from regional settings, corrupted installation entries, or activation desyncs.

: Verify that your firewall is not blocking communication to the license manager on the server. CSI Knowledge Base Advanced Technical Steps Verify Locking Codes WechoID.exe

license file is present in the main program installation directory. CSI Knowledge Base Troubleshooting for Network Licenses The background service responsible for checking the license

Locate the license file sent by CSI or your administrator (usually named lservrc or bearing a .lic extension). Go to the ETABS installation folder. Open the CSiLicensing folder.

: Ensure your computer’s system date and time are accurate, as discrepancies can cause the license to be unrecognized.

Sometimes local configuration files interfere with software startup. Search for and delete any *.tb2 files in the C:\Windows folder, then use Options > Reset Toolbars inside ETABS.

Check the selector boxes for and CPU Info . Note down the hexadecimal code generated at the bottom of the tool. Open the Windows and navigate to Clock and Region > Region

Table_title: Licensing errors generated when running CSI software Table_content: header: | Error Code | Problem Description | row: CSI Knowledge Base Licensing errors generated when running CSI software

Name the rule "ETABS Sentinel License" and click Finish. Repeat the process for . Preventative Best Practices

The is a common and disruptive issue faced by structural engineers when trying to launch CSI ETABS . This specific code indicates that the software cannot validate the activation file , typically because the license file is incomplete, corrupted, mismatched with your machine's locking criteria, or blocked by local security settings .

Copy the newly created lservrc file from your activation directory and paste it directly into the main ETABS root installation directory, replacing any existing file. 2. Disable Antivirus and Re-Run Activation

If your company uses a server to distribute licenses and you are getting Error 120 on your personal workstation: