How do I start Unity offline?

Unity Engine
1

My Unity Editor (2017.1.f1) has started playing up and won’t load properly.

When I start, I see the usual blue loading bar, then the screen either goes white or dark grey but none of my projects are listed. Cannot continue.

Why can’t we use this damn thing without a stable internet connection? There’s nothing I need to be online for if I’m not using the store.

Is there a command line switch to start Unity without checking the bloody internet?

2

If my computer is not connected to any networks I don’t have any problems launching Unity in offline mode. The only times I’ve seen issues is when connected to a network that does not connect to the Internet.