Designerbot3

I spent a while talking to the people running my server, and they found the source of my error:

“server security module Mod_reqtimeout was enabled. Mod_reqtimeout is an Apache module used to protect Apache from “slow read” attacks, and by default this module is turned OFF on all shared servers. As you understand, it is enabled only when the server becomes a target of a “slow-read” DDoS and should be disabled after the attack is over.”

Disabling that module solved the problem.
More details about my particular problem: it wasn’t just pdf’s. any file uploaded above 3.5mb or so was getting a http error. I tried uploading from multiple devices, and with multiple browsers. I was using a shared server and didn’t have access to the module in question, so it was just the fault of whoever set up the server.

I’m also getting this error with a pdf upload of around that size, what hosting provider are you using mrbogart? I’m using namecheap. I’ll keep you posted if I find anything useful.
I find anything above 3.5mb and it struggles with it.

Looks like the security certificate on that link isn’t right. I’m getting this error.

I seem to be having the same problem, I get this error message when I try to change the button placement to media bar or any of the other options. https://imgur.com/6puEUBH

I’m running the latest version of wordpress, and installed TinyMCE Advanced to see if this would help the situation, but it remained the same.

Happy to help you debug if needed. I like the look of this plugin.