Certificate expired or invalid for 9 days please help

Nine days ago I
Screen Shot 2023-04-30 at 12.22.32 PM
downloaded Mailspring onto my desktop Mac Pro. I can’t set it up because I am getting an error message. It says the certificate is expired or invalid. I would greatly appreciate some help so I can get started with Mailspring. Screen shot of error message is included.

Are you still seeing this error? Everything checks out on my side, but I realize it has been a few days since your post.

Yes, I am still getting this error message. I just checked again. Nothing has changed. If you can help, I would greatly appreciate it!