WP works on Mac but not PC

Hi everyone

I found plenty of posts about WP working on a PC and not on a Mac, but I have the exact opposite problem.

My website is https://www.besottied.com and my blog is https://www.besottied.com/wordpress

I’m working on making my blog match my site’s new layout and, whilst /wordpress is displaying perfectly well in Safari and Firefox on my Mac and iPhone I discovered today that it doesn’t show up at all on a PC, in IE or Firefox.

The blue background shows up, but that’s it. The rest of the website works well.

I’m totally baffled by this and wonder if anyone has encountered this problem before?

Thanks in advance for any help

Emily