From that standpoint, you have 12 seconds to login, otherwise you get the "Connection attempt failed" message. When I added a host name to the user profile's xml file, it resolved my "Connection attempt has failed due to network or PC issue" message. Referenced Information:

Solved: Hi experts, I'm trying the ThingWorx Manufacturing Apps according to the guide here: Facebook Login - Documentation - Facebook for Developers A secure, quick, and easy way to log users into your app or website. A secure, quick, and easy way to log users into your app or website. Docs Tools Support. Log In. If you are a Facebook user and are having trouble signing into your account, visit our Help Center. See our new Facebook Login changelog to see a summary of recent changes. Seeing a “Not Secure” Warning in Chrome? Here’s Why and Jul 23, 2018 How to Fix: Establishing Secure Connection time-out errors

Solved: Hi experts, I'm trying the ThingWorx Manufacturing Apps according to the guide here:

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Mar 07, 2020

This web site might not support the TLS 1.2 protocol, which is the minimum version supported by Firefox. Enabling TLS 1.0 and TLS 1.1 might allow this connection to succeed. TLS 1.0 and TLS 1.1 will be permanently disabled in a future release.