[综合] Why can't I log in to ChatGPT?

If you cannot log in and have successfully logged in before...
·Refresh your browser cache and cookies. OpenAI recommends logging in on a desktop device.
·Make sure you are using the correct authentication method. For example, if you signed up with “Continue with Google,” try logging in with that method.

If you see “A user already exists with this email...” or “Incorrect authentication method”...
·You will see this error if you try to log in using a different authentication method from the one used when you originally registered the account. You can only authenticate your account by logging in with the authentication method used during initial registration. For example, if you registered using Google sign-in, continue using the same method.
·If you are unsure which method you originally used to register, try logging in from a non-Firefox incognito window using each of the following methods:

• Username + password
  
• “Continue with Google” button
  
• “Continue with Microsoft” button
  

If you are trying to register and see “This user already exists.”
This may mean you started the registration process but did not complete it. Try logging in.

If you received a welcome email but did not receive a verification email
Sign up at https://chatgpt.com/auth/login

If you see “OpenAI has detected suspicious login behavior; further attempts will be blocked”...

• Refresh your browser cache and cookies. OpenAI recommends logging in on a desktop device.
  
• After clearing the cache, try another network (wired connection, home WiFi, work WiFi, library/cafe WiFi, and/or cellular network).
  
• Try turning off your “magic” (VPN/proxy)
  
• Please try waiting up to 1 hour to see whether the issue is resolved. Multiple failed login attempts may also trigger this message
  

If you still receive “An error occurred” or “Oops...” errors, try the following:

• Refresh your cache and cookies, then try logging in using your chosen authentication method.
  
• Try completing the login using an incognito browser window
  
• Try logging in from another browser/computer to see whether the issue persists, because security plugins or extensions can sometimes cause such errors.
  
• Try another device (laptop/tablet/phone).
  
• Try another network (wired connection, home WiFi, work WiFi, library/cafe WiFi, and/or cellular network).