When I enable Captch in my admin, it looks like this within the admin panel

And like this when a user attempts to open a new ticket:

If I right click on the image, or what is supposed to be the image, I get the following:

I'm not sure what is going on. There have been no changes to the site, or any of the files within the subdirectory since this started. I've done a search and haven't come up with any fixes for this. Has anyone run into this?
Thanks