Touch Interface Prevents/blocks Widget Component Interaction

okay ,
first ,

  1. i created new project with Thirdperson template with tablet and 2d options
  2. made a new Widget blueprint
  3. put a button into it, scaled it , set anchors , Compile
  4. new bluepeint class (actor)
  5. add Widget Component
  6. in widget class selected my WidgetBP , set widget attributes : Doubles sided, max interaction distance :100000
  7. set this inside thirdperson Graph

and its not working


also i tried set pivots to 0.