search does not work on webhelp or webhelp pro

I save and generate with webhelp or webhelp pro-- search function does not work. If I open the same project on another system with robohelp and save and generate it ( during save/generate, I reselect DHTML>Pure HTML and check Search input field in toolbar)   SEARCH FUNCTION WORKS!

It looks to be configuration or corruption with my robohelp? Any suggestions?