Why do some of my images get corrupted?

I recently got a new ecommerce website made and the product images keep getting corrupted and I need to delete them from the server and reupload or I need to edit the images via photoshop cs6 and then reupload for them to get working again.

This is happening with every other product, the same images do not get corrupted though, but the specification of that image remains the same.

Please consider me as a noob as I do not know much but I am willing to learn.

website- industrywala.co


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