CS:GO won't broadcast the server you're connected to if you're playing on a community server.
See the official Steam support page here
If you get this error message without have used any 3rd party applications, this quick fix should solve your issue.
None - Opt out of all beta programs
C:\Program Files (x86)\Steam\bin\Steamservice.exe /Install
Some people report that games run worse (not only CS:GO). It is also known that the AU update broke graphics card drivers.
Should be noted that an update for the game was released which added a warning for users who have XboxDVR enabled.
Download, extract and run this registry hack file.
Help & Options
Enable Developer Console (~)
Set Launch Options...
The console will now open when the game launches.