ActiveX HowTo

Unregister ActiveX component (ActiveX can be two type of extension filename, .dll or .ocx)

Change path to the ActiveX directory, unregister DLL component by using the regsvr32 program with -u parameter
C:\WINDOWS\Downloaded Program Files>regsvr32 -u XXX.dll

C:\WINDOWS\Downloaded Program Files>regsvr32 -u XXX.ocx

After successfully unregister the ActiveX component, it will show a pop-up message that shows the following descriptions:
DllUnregisterServer at XXX.dll success.