In older versions of Internet Explorer, BHOs were registered under HKCU\Software\Classes\CLSID . Setting the InprocServer32 path to empty effectively disables the BHO.
Below is a practical guide for implementing this registry change, along with important precautions. In older versions of Internet Explorer, BHOs were
reg add "HKCU\Software\Classes\CLSID\CLSID-GUID\InProcServer32" /ve /t REG_SZ /d "full\path\to\file.dll" /f In older versions of Internet Explorer