This licensing error can occur when activating/deactivating a web-activated license, most commonly standalone licenses. 

Error Message:


  1. You must be logged into the machine as Administrator to run the license cleaning utility, lsclean.exe. 

  2. Run a command prompt explicitly as Administrator (this is a right-click option):

  3. Change the folder to the C:\Program Files\Computers and Structures\[PRODUCT NAME\CSiLicensing folder and type the following command:

    lsclean -fixrevoke

Related emails/incidents: