Network or steam unavaileble

[76561199141346936]

Network or steam unavaileble (RUS)
Bought the game, the loner works fine. Prologue passed. But I can't play with my friends. Friends are fine, everything is working, they can connect to each other. Shows me, network or Steam is not available
I looked on the Internet what the problem was. It seems that he did everything he advised. Removed the symbols from Nick. Reinstalled igruhu, restarted steam, etc.
Are there any more medots?

[Snaketears]

Weirdly we have the same problem. But the game worked 2 weeks ago ...