1. Press the 'Windows' button on your keyboard to access your 'Start' menu.
2. Click 'All Programs,' 'Accessories,' then right-click the icon that says 'Command Prompt' and select the option, 'Run as Administrator.'
3. Type this command into the command prompt, 'Regsv32 <OCX>' and then press 'Enter.' Wait for a message to appear that says your OCX has registered.
4. Restart your computer to complete the OCX registration process, if you prompted to do so.