20 Establishing Secure Connection

Hello !
Since today without having made any changes, I have encountered a connection problem between http://ai2.appinventor.mit.edu.ezproxy.canberra.edu.au/ and my phone
As a precaution, I reinstalled the application on my PC, try using the Use Legacy Connection mode, nothing to do the transfer hangs at 20% "20 Establishing Secure Connection"
Can you tell me how to find the functioning of APPInventor.
Thank you
Stéphane

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A post was merged into an existing topic: AI Companion fails at 20% loading