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Trying to add GMail; popup window to log into GMail returns a 404 message

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  • Last reply by christ1

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Using v128.2.0esr (64-bit) on Windows 10

Trying to add GMail, had no problem adding other email accounts. I follow the same process- enter creds and click save/continue. Thunderbird opens a new window for me to sign into GMail to complete the process. It results in a 404 error:

400. That’s an error.

The server cannot process the request because it is malformed. It should not be retried. That’s all we know.

Screenshots attached

Using v128.2.0esr (64-bit) on Windows 10 Trying to add GMail, had no problem adding other email accounts. I follow the same process- enter creds and click save/continue. Thunderbird opens a new window for me to sign into GMail to complete the process. It results in a 404 error: 400. That’s an error. The server cannot process the request because it is malformed. It should not be retried. That’s all we know. Screenshots attached
Attached screenshots

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