That's not something we have the power to fix.
It's UploadZ's SSL certificate. Feel free to let them know. In the meantime, you can click the ADVANCED button, then there will be a link that says something like PROCEED TO URL (UNSAFE).
If they chose to use HTTP instead of HTTPS, there would be no problem because there would be no SSL certificate to expire. Point is, it's safe. Don't worry about it.
Another option is to install our Ice Quick Stream script and stream your file via one of our play buttons.
"Lets burn this mother down!"
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