>After the form show, I click on close box on the form, then the search button go to disable but the form did not release. Why?

Sorry, I don't have acces to WinXP.

>How to using the search form class without and a form set? Once I using the class supplied, and try to add the frmsearchable to my form the msg appear:
>
>A form set object is required to add a form. Create one?
>
>Can I use the frmsearchable directly?

In order for it to work your form has to be based on the frmsearchable. I would recomend that you read article carefully one more time to understand interaction between frmsearchable form class and frmsearch form.