Check the address and connection
Use a saved verified address rather than an unsolicited link. Inspect the domain carefully and leave any page whose spelling, certificate warning or login flow looks unexpected.
Troubleshoot in a safe order
Check service messages, browser updates, stored site data and authentication time sync without disabling core security. Avoid repeated guesses that may lock the account.
Escalate without surrendering control
Use a verified support route and provide a concise error description. No legitimate helper needs your password, private key, seed phrase or full authentication code history.