While trying to access ChemDraw for Excel, I got the following error message and not able to use. How can I enable this feature? “ChemDraw Excel requires a higher level of activation for ChemDraw ActiveX control."

While trying to access ChemDraw for Excel, I got the following error message and not able to use. How can I enable this feature?
“ChemDraw Excel requires a higher level of activation for ChemDraw ActiveX control."

Please retest the problem after reactivating the product by the following way
1. Launch ChemBioDraw (or ChemDraw) application by right click over the ChemDraw shortcut present in the Start menu (Start > Programs > ChemBioOffice2010) and select “Run as administrator”
2. Select “Activate ChemBioDraw Ultra” (or “Activate ChemDraw Ultra”) from the Help menu
3. Enter your Name and serial number on the appropriate fields in the “CambridgeSoft Software Activation" window and click the "Activate over Internet" button.
4. Now retest the problem with ChemDraw for Excel