Error Fix
Error Dolphin-028 | Most Common Fix
Error Dolphin-028 is a connectivity error specific to Ubisoft Connect (often affecting Rainbow Six Siege players). It means your Ubisoft
2 Minute
January 7, 2026
Error Dolphin-028 is a connectivity error specific to Ubisoft Connect (often affecting Rainbow Six Siege players). It means your Ubisoft
The “Attestation Denied” error on X (formerly Twitter) means the app’s security check has failed to verify that your device