Your trying to import it as a sprite strip? It has to be divided into a grid, and each block in the grid is turned into a sprite.
Your arrangement can't be divided evenly. The first column is shorter than the second, so will get cut in the wrong places.
You can load the png strip into an editor and edit their positions. Or load the whole png into Construct2 as one frame of a sprite and crop out the first image. Then load the whole png again in the second frame and crop the next image, and so on.