Product Images back end disappeared

Question

I'm having a problem with product images. The website built on magento version 1.9.3.1; in Back end, manage product-product-images, I do not see the uploaded images for the product.

also attach a picture to understand the problem.

How can I fix this issue?

Thanks

Answer 1

I solved the issue. The problem, in my case, is CreareSeo extension. I update it to 1.5 versione and all work fine.

Answer 2

I have the same problem when I use Firefox. Using the lastest version of Google Chrome solved the problem for me.

Answer 3

Try activer css and javascript in system->configuration->developer->settings