End Google Ads 201810 - BS.net 01 --> If I register the dll which is obtained through this link,

How to attach to Browser Helper Object (BHO) with C# in two minutes

I can see the dll in registry, I had checked the Enable the third party extensions option and I had also checked that manage add-ons of internet options, there also I can see that my dll is enabled, but it does not show the message boxes when an input element obtained in a web page.
what may be the error, Could anyone suggest if I miss something?
my browser is IE6.