Steam error codes

25 codes — tap one for its meaning, causes, and fix steps.

• -101Steam cannot connect to its servers — commonly seen in the Steam store or at startup.
• -130Steam's built-in browser fails to load a page — displays "Error Code: -130 Failed to load web page (unknown error)".
• -138Steam's embedded browser cannot load a page — displays "Error Code: -138 Failed to load web page (unknown error)".
• 105Steam cannot load the store or community pages — displays "Unable to connect to server".
• 107A Steam Wallet transaction or redemption fails — EResult 107 (InsufficientFunds).
• 118Steam cannot connect to the server — displays "Unable to connect to server. Server may be offline or you may not be connected to the internet."
• 16A game fails to launch — the error message is "Operation timed out (Error Code: 16)".
• 17A player is banned from VAC-secured servers — displayed as "VAC banned" (EResult 17).
• 51A game fails to launch with "Game failed to start (Error Code: 51)".
• 53Steam displays "The Steam servers are too busy to handle your request (Error Code: 53)" but the servers are often not the real cause.
• 54A game download or update stops with "Not enough disk space (Error Code: 54)".
• 6The Steam client logs out with "You have been logged on from another location" — corresponding to EResult 6 (LoggedInElsewhere).
• 63Steam Guard requires an email code to log in — displays "You need to provide a Steam Guard email code in order to log on" (EResult 63).
• 80A game fails to launch — displays "Error Code: 80" or "Failed to start game (app already running)".
• 83A game fails to start with "Error Code: 83".
• 85Mobile authenticator code required to log in — displays "You need to provide a TOTP auth code" (EResult 85).
• 88The Steam Mobile Authenticator code entered was incorrect — EResult 88 (TwoFactorCodeMismatch).
• E20Steam cannot connect to the network — displayed as "Error Code E20" in the Steam client.
• Failed to Start Game (Missing Executable)A game cannot launch — displays "Failed to start game (missing executable)".
• Fatal Error: Failed to load steamui.dllSteam displays a fatal error at startup — "Fatal error
• Missing File PrivilegesSteam cannot install or update a game — displays "Missing file privileges".
• Steam Content Servers UnreachableA game update stalls with "An error occurred while updating [game] (content servers unreachable)".
• Steam Disk Write ErrorSteam cannot write game data to disk during installation or an update — displays "An error occurred while installing/updating [game]: (disk write error)".
• Steam Service Component ErrorSteam displays "The Steam service component is not working properly on this computer" on launch.
• VAC Was Unable to Verify Your Game SessionA multiplayer game disconnects with "VAC was unable to verify the game session" — not a VAC ban.