After reading the log files I discover a warning that may be the root cause, but it seems that the trouble did not came from the game but from steam itself, but I do not why I have only trouble with BTW and Squad (that got the same issue) Anyone got an idea ?
the log:
LogOnline: Display: STEAM: Loading Steam SDK 1.42
LogOnline: OSS: Creating online subsystem instance for: Steam
LogSquadVoiceInputWASAPI: Warning: Stream Latency 0 (984)
LogOnline: STEAM: Steam User is subscribed 1
LogOnline: STEAM: [AppId: 1058650] Client API initialized 1
LogOnline: STEAM: [AppId: 1058650] Game Server API initialized 0 LogOnline: Warning: STEAM: Failed to initialize Steam, this could be due to a Steam server and client running on the same machine. Try running with -NOSTEAM on the cmdline to disable.
LogOnline: Display: STEAM: OnlineSubsystemSteam::Shutdown()
LogOnline: Warning: STEAM: Steam API failed to initialize!
LogOnline: Display: STEAM: OnlineSubsystemSteam::Shutdown()
LogOnline: OSS: Unable to create OnlineSubsystem module Steam
LogOnline: OSS: Creating online subsystem instance for: NULL
LogInit: WinSock: version 1.1 (2.2), MaxSocks=32767, MaxUdp=65467