Sketchy Untrusted Server Certificate from Wuhan
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I am currently on vacation in greece, was going to do some work when I got this pop-up. Can someone explain me what is going on, and why the hell it is from Wuhan.

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Hello,
It seems your corporate proxy seems to be hijacking the server SSL certificate. It replaces the original certificate with its own certificate so that it can decrypt and analyze the secure traffic. Proxy certificate is not trusted and cannot be validated by Java.
See https://security.stackexchange.com/questions/218425/router-tries-to-manipulate-https-connections
As a solution, you can accept the proxy certificate as trusted.