This is a *super* aggravating error because it worked yesterday in one of our organizations (and when I tested, I made another just fine) but isn't working in the other today:
Copied and pasted verbatim from your site.
Attempt to upload, and get this error:
Argh, your certificate is not valid!
Check this url for a tutorial on how to generate a valid certificate.
( request debug id: 1994c223-1d01-4c78-87d8-64fb8e980803 )
ryanskihead I'm tagging you directly as i saw you replied to a similar thread.
I've tried three browsers, two operating systems, etc.