Lumia 520 show popup menu with transparent background

[huuphongdn2009]

My 520 Lumia show popup menu with transparent background by press and hold on App name.
How to resolve this. I had reset my phone twice but error is still there.

 

[Laura Knotek]

Could you attach a screenshot so we can see what this looks like?

 

[huuphongdn2009]

This is error image
https://onedrive.live.com/redir?res...uthkey=!AL7gDl1HuR-5ojQ&v=3&ithint=photo,.png

This is normal
https://onedrive.live.com/redir?res...uthkey=!AHM_OgryL3mLP0Y&v=3&ithint=photo,.png