Error code

Steam 118

STEAM118
Game/Platform Error· An error code shown by a game or gaming platform/launcher.

What it means

Steam cannot connect to the server — displays "Unable to connect to server. Server may be offline or you may not be connected to the internet.".

How to fix it

  1. Check Steam server status at steamstat.us.
  2. Allow Steam through Windows Defender Firewall (both public and private networks).
  3. Restart your router and modem.
  4. Run Steam's internet-connection troubleshooter.
  5. Reset network settings (ipconfig /flushdns then netsh winsock reset).
  6. Temporarily disable antivirus.
  7. Update or reinstall Steam.

Not affiliated with Steam. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.