HDRI Problem.

Mga sir:

Baguhan lang po ako sa pag re render. My problem is about hdri. after rendering, i can see the image of my hdri in my buffer (clouds and backgrouds), pero pag save ko na po siya sa usb ko as png file, d ko na po nakikita yung image ng HDRI pag open ko na po siya. I dont know What went wrong.please help..

try to check interlaced when saving it as png.