Error code
Roblox 403
ROBLOX403
Game/Platform Error· An error code shown by a game or gaming platform/launcher.
What it means
Access has been denied or the client failed to initialize..
How to fix it
- Reinstall the Roblox application.
- Clear the Roblox app data.
- Check that you are logged in with proper permissions.
- Restart your computer and try again.
Not affiliated with Roblox. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More Roblox codes
- 103The Roblox experience you are trying to join is not available on this platform.
- 256The server was shut down and you must reconnect.
- 260There was a problem receiving data so you must reconnect.
- 261There was a problem receiving or streaming data so you must reconnect.
- 262There was a problem sending data so you must reconnect.
- 264Your account was launched into a game from another device.
- 266Your connection timed out so check your internet and try again.
- 267You were kicked from the experience by the game itself.
- 268You were kicked due to unexpected client behavior.
- 270You were disconnected from the Team Create session in Roblox Studio.
- 271The server was shut down because there were no active players.
- 272You were disconnected due to a security key mismatch.