This licensing error can occur when activating/deactivating a web-activated license, most commonly standalone licenses.
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- You must be logged into the machine as Administrator to run the license cleaning utility, lsclean.exe.
Run a command prompt explicitly as Administrator (this is a right-click option):
Change the folder to the C:\Program Files\Computers and Structures\[PRODUCT NAME\CSiLicensing folder and type the following command: